Create programmatically in EJ2 JavaScript Pdfviewer control

14 Oct 202324 minutes to read

The PDF Viewer control provides the option to add, edit and delete the Form Fields. The Form Fields type supported by the PDF Viewer Control are:

* Textbox
* Password
* CheckBox
* RadioButton
* ListBox
* DropDown
* SignatureField
* InitialField

Add a form field to PDF document programmatically

Using addFormField method, the form fields can be added to the PDF document programmatically. We need to pass two parameters in this method. They are Form Field Type and Properties of Form Field Type. To add form field programmatically, Use the following code.

var pdfviewer = new ej.pdfviewer.PdfViewer({
    documentPath: 'https://cdn.syncfusion.com/content/pdf/form-designer.pdf',
    resourceUrl:'https://cdn.syncfusion.com/ej2/24.2.3/dist/ej2-pdfviewer-lib'
});
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar,
                              ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
pdfviewer.documentLoad = function (args) {
pdfviewer.formDesignerModule.addFormField("Textbox", { name: "First Name", bounds: { X: 146, Y: 229, Width: 150, Height: 24 } });
pdfviewer.formDesignerModule.addFormField("Textbox", { name: "Middle Name", bounds: { X: 338, Y: 229, Width: 150, Height: 24 }});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'Last Name',bounds: { X: 530, Y: 229, Width: 150, Height: 24 },});
pdfviewer.formDesignerModule.addFormField('RadioButton', {bounds: { X: 148, Y: 289, Width: 18, Height: 18 },name: 'Gender',isSelected: false,});
pdfviewer.formDesignerModule.addFormField('RadioButton', {bounds: { X: 292, Y: 289, Width: 18, Height: 18 },name: 'Gender',isSelected: false,});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Month',bounds: { X: 146, Y: 320, Width: 35, Height: 24 },});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Date',bounds: { X: 193, Y: 320, Width: 35, Height: 24 },});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Year',bounds: { X: 242, Y: 320, Width: 35, Height: 24 },});
pdfviewer.formDesignerModule.addFormField('InitialField', {name: 'Agree',bounds: { X: 148, Y: 408, Width: 200, Height: 43 },});
pdfviewer.formDesignerModule.addFormField('InitialField', {name: 'Do Not Agree',bounds: { X: 148, Y: 466, Width: 200, Height: 43 },});
pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Text Message',bounds: { X: 56, Y: 664, Width: 20, Height: 20 },isChecked: false,});
pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Email',bounds: { X: 242, Y: 664, Width: 20, Height: 20 },isChecked: false,});
pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Appointment Reminder',bounds: { X: 56, Y: 740, Width: 20, Height: 20 },isChecked: false,});
pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Request for Customerservice',bounds: { X: 56, Y: 778, Width: 20, Height: 20 },isChecked: false,});
pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Information Billing',bounds: { X: 290, Y: 740, Width: 20, Height: 20 },isChecked: false,});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'My Email',bounds: { X: 146, Y: 850, Width: 200, Height: 24 },});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'My Phone',bounds: { X: 482, Y: 850, Width: 200, Height: 24 },});
pdfviewer.formDesignerModule.addFormField('SignatureField', {name: 'Sign',bounds: { X: 57, Y: 923, Width: 200, Height: 43 },});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Month',bounds: { X: 386, Y: 923, Width: 35, Height: 24 },});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Date',bounds: { X: 434, Y: 923, Width: 35, Height: 24 },});
pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Year',bounds: { X: 482, Y: 923, Width: 35, Height: 24 },});
}
<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript PDF Viewer Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-base/styles/material.css" rel="stylesheet">    
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-pdfviewer/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-inputs/styles/material.css" rel="stylesheet">    
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-notifications/styles/material.css" rel="stylesheet">
    
    <!-- Essential JS 2 PDF Viewer's script --> 
    <script src="https://cdn.syncfusion.com/ej2/24.2.3/dist/ej2.min.js" type="text/javascript"></script>
    <script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
    
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
    
    <div id="container">
        <div id="PdfViewer" style="height:500px;width:100%;"></div>        
    </div>


<script>
var ele = document.getElementById('container');
if(ele) {
  ele.style.visibility = "visible";
}   
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>

NOTE

To set up the server-backed PDF Viewer,
Add the below serviceUrl in the index.html file
serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'

Edit/Update form field programmatically

Using updateFormField method, Form Field can be updated programmatically. We should get the Form Field object/Id from FormFieldCollections property that you would like to edit and pass it as a parameter to updateFormField method. The second parameter should be the properties that you would like to update for Form Field programmatically. We have updated the value and background Color properties of Textbox Form Field.

var pdfviewer = new ej.pdfviewer.PdfViewer({
    documentPath:'https://cdn.syncfusion.com/content/pdf/form-designer.pdf',
    resourceUrl:'https://cdn.syncfusion.com/ej2/24.2.3/dist/ej2-pdfviewer-lib'
});
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar,
ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
pdfviewer.documentLoad = function (args) {
    pdfviewer.formDesignerModule.addFormField("Textbox", { name: "First Name", bounds: { X: 146, Y: 229, Width: 150, Height: 24 } });
    pdfviewer.formDesignerModule.addFormField("Textbox", { name: "Middle Name", bounds: { X: 338, Y: 229, Width: 150, Height: 24 }});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'Last Name',bounds: { X: 530, Y: 229, Width: 150, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('RadioButton', {bounds: { X: 148, Y: 289, Width: 18, Height: 18 },name: 'Gender',isSelected: false,});
    pdfviewer.formDesignerModule.addFormField('RadioButton', {bounds: { X: 292, Y: 289, Width: 18, Height: 18 },name: 'Gender',isSelected: false,});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Month',bounds: { X: 146, Y: 320, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Date',bounds: { X: 193, Y: 320, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Year',bounds: { X: 242, Y: 320, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('InitialField', {name: 'Agree',bounds: { X: 148, Y: 408, Width: 200, Height: 43 },});
    pdfviewer.formDesignerModule.addFormField('InitialField', {name: 'Do Not Agree',bounds: { X: 148, Y: 466, Width: 200, Height: 43 },});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Text Message',bounds: { X: 56, Y: 664, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Email',bounds: { X: 242, Y: 664, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Appointment Reminder',bounds: { X: 56, Y: 740, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Request for Customerservice',bounds: { X: 56, Y: 778, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Information Billing',bounds: { X: 290, Y: 740, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'My Email',bounds: { X: 146, Y: 850, Width: 200, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'My Phone',bounds: { X: 482, Y: 850, Width: 200, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('SignatureField', {name: 'Sign',bounds: { X: 57, Y: 923, Width: 200, Height: 43 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Month',bounds: { X: 386, Y: 923, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Date',bounds: { X: 434, Y: 923, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Year',bounds: { X: 482, Y: 923, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.updateFormField(pdfviewer.formFieldCollections[0], { backgroundColor: 'red' } );
}
<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript PDF Viewer Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-base/styles/material.css" rel="stylesheet">    
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-pdfviewer/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-inputs/styles/material.css" rel="stylesheet">    
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-notifications/styles/material.css" rel="stylesheet">
    <!-- Essential JS 2 PDF Viewer's script --> 
    <script src="https://cdn.syncfusion.com/ej2/24.2.3/dist/ej2.min.js" type="text/javascript"></script>
    <script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
    
    <div id="container">
        <div id="PdfViewer" style="height:500px;width:100%;"></div>        
    </div>


<script>
var ele = document.getElementById('container');
if(ele) {
  ele.style.visibility = "visible";
}   
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>

NOTE

To set up the server-backed PDF Viewer,
Add the below serviceUrl in the index.html file
serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'

Delete form field programmatically

Using deleteFormField method, the form field can be deleted programmatically. We should retrieve the Form Field object/Id from FormFieldCollections property that you would like to delete and pass it as a parameter to deleteFormField method. To delete a Form Field programmatically, use the following code.

var pdfviewer = new ej.pdfviewer.PdfViewer({
    documentPath:'https://cdn.syncfusion.com/content/pdf/form-designer.pdf',
    resourceUrl:'https://cdn.syncfusion.com/ej2/24.2.3/dist/ej2-pdfviewer-lib'
});
ej.pdfviewer.PdfViewer.Inject( ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar,
                               ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
pdfviewer.documentLoad = function (args) {
    pdfviewer.formDesignerModule.addFormField("Textbox", { name: "First Name", bounds: { X: 146, Y: 229, Width: 150, Height: 24 } });
    pdfviewer.formDesignerModule.addFormField("Textbox", { name: "Middle Name", bounds: { X: 338, Y: 229, Width: 150, Height: 24 }});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'Last Name',bounds: { X: 530, Y: 229, Width: 150, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('RadioButton', {bounds: { X: 148, Y: 289, Width: 18, Height: 18 },name: 'Gender',isSelected: false,});
    pdfviewer.formDesignerModule.addFormField('RadioButton', {bounds: { X: 292, Y: 289, Width: 18, Height: 18 },name: 'Gender',isSelected: false,});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Month',bounds: { X: 146, Y: 320, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Date',bounds: { X: 193, Y: 320, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOB Year',bounds: { X: 242, Y: 320, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('InitialField', {name: 'Agree',bounds: { X: 148, Y: 408, Width: 200, Height: 43 },});
    pdfviewer.formDesignerModule.addFormField('InitialField', {name: 'Do Not Agree',bounds: { X: 148, Y: 466, Width: 200, Height: 43 },});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Text Message',bounds: { X: 56, Y: 664, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Email',bounds: { X: 242, Y: 664, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Appointment Reminder',bounds: { X: 56, Y: 740, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Request for Customerservice',bounds: { X: 56, Y: 778, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('CheckBox', {name: 'Information Billing',bounds: { X: 290, Y: 740, Width: 20, Height: 20 },isChecked: false,});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'My Email',bounds: { X: 146, Y: 850, Width: 200, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'My Phone',bounds: { X: 482, Y: 850, Width: 200, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('SignatureField', {name: 'Sign',bounds: { X: 57, Y: 923, Width: 200, Height: 43 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Month',bounds: { X: 386, Y: 923, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Date',bounds: { X: 434, Y: 923, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.addFormField('Textbox', {name: 'DOS Year',bounds: { X: 482, Y: 923, Width: 35, Height: 24 },});
    pdfviewer.formDesignerModule.deleteFormField(pdfviewer.formFieldCollections[0]);
}
<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 PDF Viewer</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript PDF Viewer Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-base/styles/material.css" rel="stylesheet">    
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-pdfviewer/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-inputs/styles/material.css" rel="stylesheet">    
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/24.2.3/ej2-notifications/styles/material.css" rel="stylesheet">
    
    <!-- Essential JS 2 PDF Viewer's script --> 
    <script src="https://cdn.syncfusion.com/ej2/24.2.3/dist/ej2.min.js" type="text/javascript"></script>
    <script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>  
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
    
    <div id="container">
        <div id="PdfViewer" style="height:500px;width:100%;"></div>        
    </div>


<script>
var ele = document.getElementById('container');
if(ele) {
  ele.style.visibility = "visible";
}   
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>

NOTE

To set up the server-backed PDF Viewer,
Add the below serviceUrl in the index.html file
serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'

Saving the form fields

When the download icon is selected on the toolbar, the Form Fields will be saved in the PDF document and this action will not affect the original document. Refer the below GIF for further reference.

Alt text

You can invoke download action using following code snippet.

<button id="download">Download</button> 

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    enableDownload: true,
                    documentPath: "https://cdn.syncfusion.com/content/pdf/form-designer.pdf",
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');

document.getElementById('download').addEventListener('click', function () {
    pdfviewer.download()
});
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    enableDownload: true,
                    documentPath: "https://cdn.syncfusion.com/content/pdf/form-designer.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');

document.getElementById('download').addEventListener('click', function () {
    pdfviewer.download()
});

Printing the form fields

When the print icon is selected on the toolbar, the PDF document will be printed along with the Form Fields added to the pages and this action will not affect the original document. Refer the below GIF for further reference.

Alt text

You can invoke print action using the following code snippet.,

<button id="print">Print</button>

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    enablePrint: true,
                    documentPath: "https://cdn.syncfusion.com/content/pdf/form-designer.pdf",
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');

document.getElementById('print').addEventListener('click', function () {
   pdfviewer.print.print(); 
});
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    enablePrint: true,
                    documentPath: "https://cdn.syncfusion.com/content/pdf/form-designer.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');

document.getElementById('print').addEventListener('click', function () {
   pdfviewer.print.print(); 
});

setFormFieldMode programmatically

The setFormFieldMode method is a function in the Syncfusion PDF Viewer library that allows you to add a form field dynamically by passing the type of the form field. You can pass the form fields as a parameter like below.

<button id="addPasswordField">Add Password Field</button>

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');

document.getElementById('addPasswordField').addEventListener('click', function () {
    pdfviewer.formDesignerModule.setFormFieldMode("Password");
});
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');

document.getElementById('addPasswordField').addEventListener('click', function () {
    pdfviewer.formDesignerModule.setFormFieldMode("Password");
});

Open the existing PDF document

We can open the already saved PDF document contains Form Fields in it by clicking the open icon in the toolbar. Refer the below GIF for further reference.

Alt text

Validate form fields

The form fields in the PDF Document will be validated when the enableFormFieldsValidation is set to true and hook the validateFormFields. The validateFormFields will be triggered when the PDF document is downloaded or printed with the non-filled form fields. The non-filled fields will be obtained in the nonFillableFields property of the event arguments of validateFormFields.

Add the following code snippet to validate the form fields,

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/form-designer.pdf",
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
viewer.enableFormFieldsValidation = true;
viewer.validateFormFields = function (args) {
    var nonfilledFormFields = args.nonFillableFields;
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/form-designer.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
viewer.enableFormFieldsValidation = true;
viewer.validateFormFields = function (args) {
    var nonfilledFormFields = args.nonFillableFields;
};

Export and import form fields

The PDF Viewer control provides the support to export and import the form field data in the following formats using the importFormFields, exportFormFields, and exportFormFieldsAsObject methods.

  • FDF
  • XFDF
  • JSON

Export and import as FDF

Using the exportFormFields method, the form field data can be exported in the specified data format. This method accepts two parameters:

  • The first one must be the destination path for the exported data. If the path is not specified, it will ask for the location while exporting.
  • The second parameter should be the format type of the form data.

The following code explains how to export the form field data as FDF.

<button id="exportFdf">Export FDF</button>
<button id="importFdf">Import FDF</button>
<!--Add the PDF Viewer-->
<div id="pdfViewer" style="height: 640px; width: 100%"></div>

// Event triggers on Export FDF button click.
document.getElementById('exportFdf').addEventListener('click', ()=> {
    // Data must be the desired path for the exported document.
    viewer.exportFormFields('Data', FormFieldDataFormat.Fdf);
});

// Event triggers on Import FDF button click.
document.getElementById('importFdf').addEventListener('click', ()=> {
    // The file for importing the form fields should be placed in the desired location, and the path should be provided correctly.
    viewer.importFormFields('File', FormFieldDataFormat.Fdf);
});

Export and import as XFDF

The following code explains how to export the form field data as XFDF.

<button id="exportXfdf">Export XFDF</button>
<button id="importXfdf">Import XFDF</button>
<!--Add the PDF Viewer-->
<div id="pdfViewer" style="height: 640px; width: 100%"></div>

// Event triggers on Export XFDF button click.
document.getElementById('exportXfdf').addEventListener('click', ()=> {
    // Data must be the desired path for the exported document.
    viewer.exportFormFields('Data', FormFieldDataFormat.Xfdf);
});

// Event triggers on Import XFDF button click.
document.getElementById('importXfdf').addEventListener('click', ()=> {
    // The file for importing the form fields should be placed in the desired location, and the path should be provided correctly.
    viewer.importFormFields('File', FormFieldDataFormat.Xfdf);
});

Export and import as JSON

The following code explains how to export the form field data as JSON.

<button id="exportJson">Export JSON</button>
<button id="importJson">Import JSON</button>
<!--Add the PDF Viewer-->
<div id="pdfViewer" style="height: 640px; width: 100%"></div>

// Event triggers on Export JSON button click.
document.getElementById('exportJson').addEventListener('click', ()=> {
    // Data must be the desired path for the exported document.
    viewer.exportFormFields('Data', FormFieldDataFormat.Json);
});

// Event triggers on Import JSON button click.
document.getElementById('importJson').addEventListener('click', ()=> {
    // The file for importing the form fields should be placed in the desired location, and the path should be provided correctly
    viewer.importFormFields('File', FormFieldDataFormat.Json);
});

Export and import as Object

The PDF Viewer control supports exporting the form field data as an object, and the exported data will be imported into the current PDF document from the object.

The following code shows how to export the form field data as an object and import the form field data from that object into the current PDF document via a button click.

<button id="exportDataAsObject">Export Object</button>
<button id="importData">Import Data</button>
<!--Add the PDF Viewer-->
<div id="pdfViewer" style="height: 640px; width: 100%"></div>

var exportedData;

// Event triggers on Export Object button click.
document.getElementById('exportDataAsObject').addEventListener('click', ()=> {
    // Export the form field data to an FDF object.
    viewer.exportFormFieldsAsObject(FormFieldDataFormat.Fdf).then(value => {
        exportedData = value;
    });

    // // Export the form field data to an XFDF object.
    // viewer.exportFormFieldsAsObject(FormFieldDataFormat.Xfdf).then(value =>{
    //      exportedData = value;
    // })

    // // Export the form field data to an JSON object.
    // viewer.exportFormFieldsAsObject(FormFieldDataFormat.Json).then(value =>{
    //      exportedData = value;
    // })
});

// Event triggers on Import Data button click.
document.getElementById('importData').addEventListener('click', ()=> {
    // Import the form field data from the FDF object into the current PDF document.
    viewer.importFormFields(exportedData, FormFieldDataFormat.Fdf);

    //// Import the form field data from the XFDF object into the current PDF document.
    //viewer.importFormFields (exportedData, FormFieldDataFormat.Xfdf);

    //// Import the form field data from the FDF object into the current PDF document.
    //viewer.importFormFields (exportedData, FormFieldDataFormat.Json);
});

Form field properties

Form field properties in Syncfusion PDF Viewer allow you to customize and interact with form fields embedded within PDF documents. This documentation provides an overview of the form field properties supported by the Syncfusion PDF Viewer and explains how to use them effectively.

* Textbox
* Password
* CheckBox
* RadioButton
* ListBox
* DropDown
* SignatureField
* InitialField

Signature and initial fields settings

Using the updateFormField method, the form fields can be updated programmatically.

The following code example explains how to update the signature field properties on a button click.

<button id="updateProperties">Update Properties</button>
document.getElementById('updateProperties').addEventListener('click',function() {
    var formField = viewer.retrieveFormFields();
    viewer.formDesignerModule.updateFormField(formField[0], {
        name: 'Initial',
        isReadOnly: true,
        visibility: 'visible',
        isRequired: false,
        isPrint: true,
        tooltip: 'Initial',
        thickness: 4
    });
});

The following code example explains how to update the properties of the signature field added to the document from the form designer toolbar.

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
// Properties to customize the signature field settings
pdfviewer.signatureFieldSettings = {
    // Set the name of the form field element.
    name: 'Signature',
    // Specify whether the signature field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the signature field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'Signature',
    // Set the thickness of the Signature field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Specify the properties of the signature Dialog Settings in the signature field.
    signatureDialogSettings: {
        displayMode: ej.pdfviewer.DisplayMode.Draw | ej.pdfviewer.DisplayMode.Upload
                     | ej.pdfviewer.DisplayMode.Text,
        hideSaveSignature: false,
    },
    // Specify the properties of the signature indicator in the signature field.
    signatureIndicatorSettings: {
        opacity: 1,
        backgroundColor: '#237ba2',
        height: 50,
        fontSize: 15,
        text: 'Signature Field',
        color: 'white'
    },
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
// Properties to customize the signature field settings
pdfviewer.signatureFieldSettings = {
    // Set the name of the form field element.
    name: 'Signature',
    // Specify whether the signature field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the signature field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'Signature',
    // Set the thickness of the Signature field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Specify the properties of the signature Dialog Settings in the signature field.
    signatureDialogSettings: {
        displayMode: ej.pdfviewer.DisplayMode.Draw | ej.pdfviewer.DisplayMode.Upload
                     | ej.pdfviewer.DisplayMode.Text,
        hideSaveSignature: false,
    },
    // Specify the properties of the signature indicator in the signature field.
    signatureIndicatorSettings: {
        opacity: 1,
        backgroundColor: '#237ba2',
        height: 50,
        fontSize: 15,
        text: 'Signature Field',
        color: 'white'
    },
};

Signature Field Settings

The following code example explains how to update the properties of the initial field added to the document from the form designer toolbar.

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
// Properties to customize the signature field settings
pdfviewer.initialFieldSettings = {
    // Set the name of the form field element.
    name: 'Initial',
    // Specify whether the initial field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the initial field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'Initial',
    // Set the thickness of the initial field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Specifies the properties of the initial indicator in the initial field.
    initialIndicatorSettings: {
        opacity: 1,
        backgroundColor: '#237ba2',
        height: 50,
        fontSize: 15,
        text: 'Initial Field',
        color: 'white'
    },
    // Specify the properties of the initial Dialog Settings in the intial field.
    initialDialogSettings: {
        displayMode: ej.pdfviewer.DisplayMode.Draw | ej.pdfviewer.DisplayMode.Upload
                     | ej.pdfviewer.DisplayMode.Text,
        hideSaveSignature: false
    }
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
pdfviewer.appendTo('#PdfViewer');
// Properties to customize the signature field settings
pdfviewer.initialFieldSettings = {
    // Set the name of the form field element.
    name: 'Initial',
    // Specify whether the initial field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the initial field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'Initial',
    // Set the thickness of the initial field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Specifies the properties of the initial indicator in the initial field.
    initialIndicatorSettings: {
        opacity: 1,
        backgroundColor: '#237ba2',
        height: 50,
        fontSize: 15,
        text: 'Initial Field',
        color: 'white'
    },
    // Specify the properties of the initial Dialog Settings in the intial field.
    initialDialogSettings: {
        displayMode: ej.pdfviewer.DisplayMode.Draw | ej.pdfviewer.DisplayMode.Upload
                     | ej.pdfviewer.DisplayMode.Text,
        hideSaveSignature: false
    }
};

Initial Field Settings

Textbox field settings

Using the updateFormField method, the form fields can be updated programmatically.

The following code example explains how to update the Textbox field properties on a button click.

<button id="updateProperties">Update Properties</button>
document.getElementById('updateProperties').addEventListener('click',function() {
    var formField = viewer.retrieveFormFields();
    viewer.formDesignerModule.updateFormField(formField[0], {
        name: 'Textbox',
        isReadOnly: true,
        visibility: 'visible',
        isRequired: false,
        isPrint: true,
        tooltip: 'Textbox',
        thickness: 4,
        value:'Textbox',
        fontFamily: 'Courier',
        fontSize: 10,
        fontStyle: 'None',
        color: 'black',
        borderColor: 'black',
        backgroundColor: 'white',
        alignment: 'Left',
        maxLength: 0,
        isMultiline: false,
        bounds: { X: 146, Y: 229, Width: 150, Height: 24 }                    
    });
});

The following code example explains how to update the properties of the Textbox field added to the document from the form designer toolbar.

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);

pdfviewer.appendTo('#PdfViewer');
// Properties to customize the Textbox field settings
pdfviewer.textFieldSettings = {
 // Set the name of the form field element.
    name: 'Textbox',
    // Specify whether the Textbox field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the Textbox field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'Textbox',
    // Set the thickness of the Textbox field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Set the value of the form field element.
    value:'Textbox',
    // Set the font family of the textbox field.
    fontFamily: 'Courier',
    // Set the font size of the textbox field.
    fontSize: 10,
    // Specify the font style
    fontStyle: 'None',
    // Set the font color of the textbox field.
    color: 'black',
    // Set the border color of the textbox field.
    borderColor: 'black',
    // Set the background color of the textbox field.
    backgroundColor: 'White',
    // Set the alignment of the text.
    alignment: 'Left',
    // Set the maximum character length.
    maxLength: 0,
    // Allows multiline input in the text field. FALSE, by default.
    isMultiline: false
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);

pdfviewer.appendTo('#PdfViewer');
// Properties to customize the Textbox field settings
pdfviewer.textFieldSettings = {
 // Set the name of the form field element.
    name: 'Textbox',
    // Specify whether the Textbox field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the Textbox field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'Textbox',
    // Set the thickness of the Textbox field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Set the value of the form field element.
    value:'Textbox',
    // Set the font family of the textbox field.
    fontFamily: 'Courier',
    // Set the font size of the textbox field.
    fontSize: 10,
    // Specify the font style
    fontStyle: 'None',
    // Set the font color of the textbox field.
    color: 'black',
    // Set the border color of the textbox field.
    borderColor: 'black',
    // Set the background color of the textbox field.
    backgroundColor: 'White',
    // Set the alignment of the text.
    alignment: 'Left',
    // Set the maximum character length.
    maxLength: 0,
    // Allows multiline input in the text field. FALSE, by default.
    isMultiline: false
};

Textbox Field Settings

Password field settings

Using the updateFormField method, the form fields can be updated programmatically.

The following code example explains how to update the Password field properties on a button click.

<button id="updateProperties">Update Properties</button>
document.getElementById('updateProperties').addEventListener('click',function() {
    var formField = viewer.retrieveFormFields();
    viewer.formDesignerModule.updateFormField(formField[0], {
      name: 'Password',
      isReadOnly: true,
      visibility: 'visible',
      isRequired: false,
      isPrint: true,
      tooltip: 'Password',
      thickness: 4,
      value:'Password',
      fontFamily: 'Courier',
      fontSize: 10,
      fontStyle: 'None',
      color: 'black',
      borderColor: 'black',
      backgroundColor: 'white',
      alignment: 'Left',
      maxLength: 0,
      bounds: { X: 148, Y: 229, Width: 150, Height: 24 }                
    });
});

The following code example explains how to update the properties of the Password field added to the document from the form designer toolbar.

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);

pdfviewer.appendTo('#PdfViewer');
// Properties to customize the Password field settings
pdfviewer.passwordFieldSettings = {
 // Set the name of the form field element.
    name: 'Password',
    // Specify whether the Password field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the Password field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'Password',
    // Set the thickness of the Password field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Set the value of the form field element.
    value:'Password',
    // Set the font family of the Password field.
    fontFamily: 'Courier',
    // Set the font size of the Password field.
    fontSize: 10,
    // Specify the font style
    fontStyle: 'None',
    // Set the font color of the Password field.
    color: 'black',
    // Set the border color of the Password field.
    borderColor: 'black',
    // Set the background color of the Password field.
    backgroundColor: 'white',
    // Set the alignment of the text.
    alignment: 'Left',
    // Set the maximum character length.
    maxLength: 0,
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
    
pdfviewer.appendTo('#PdfViewer');
// Properties to customize the Password field settings
pdfviewer.passwordFieldSettings = {
 // Set the name of the form field element.
    name: 'Password',
    // Specify whether the Password field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the Password field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'Password',
    // Set the thickness of the Password field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Set the value of the form field element.
    value:'Password',
    // Set the font family of the Password field.
    fontFamily: 'Courier',
    // Set the font size of the Password field.
    fontSize: 10,
    // Specify the font style
    fontStyle: 'None',
    // Set the font color of the Password field.
    color: 'black',
    // Set the border color of the Password field.
    borderColor: 'black',
    // Set the background color of the Password field.
    backgroundColor: 'white',
    // Set the alignment of the text.
    alignment: 'Left',
    // Set the maximum character length.
    maxLength: 0,
};

Password Field Settings

CheckBox field settings

Using the updateFormField method, the form fields can be updated programmatically.

The following code example explains how to update the CheckBox field properties on a button click.

<button id="updateProperties">Update Properties</button>
document.getElementById('updateProperties').addEventListener('click',function() {
    var formField = viewer.retrieveFormFields();
    viewer.formDesignerModule.updateFormField(formField[0], {
      name: 'CheckBox',
      isReadOnly: true,
      visibility: 'visible',
      isRequired: false,
      isPrint: true,
      tooltip: 'CheckBox',
      thickness: 4,
      isChecked: true,
      backgroundColor: 'white',
      borderColor: 'black',
      value: 'CheckBox',   
    });
});

The following code example explains how to update the properties of the CheckBox field added to the document from the form designer toolbar.

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);

pdfviewer.appendTo('#PdfViewer');
// Properties to customize the CheckBox field settings
pdfviewer.checkBoxFieldSettings = {
   // Set the name of the form field element.
    name: 'CheckBox',
    // Specify whether the CheckBox field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the CheckBox field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'CheckBox',
    // Set the thickness of the CheckBox field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Specifies whether the check box is in checked state or not.
    isChecked: true,
    // Set the background color of the check box in hexadecimal string format.
    backgroundColor: 'white',
    // Set the border color of the check box field.
    borderColor: 'black',
    // Set the value of
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
    
pdfviewer.appendTo('#PdfViewer');
// Properties to customize the CheckBox field settings
pdfviewer.checkBoxFieldSettings = {
   // Set the name of the form field element.
    name: 'CheckBox',
    // Specify whether the CheckBox field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the CheckBox field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'CheckBox',
    // Set the thickness of the CheckBox field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Specifies whether the check box is in checked state or not.
    isChecked: true,
    // Set the background color of the check box in hexadecimal string format.
    backgroundColor: 'white',
    // Set the border color of the check box field.
    borderColor: 'black',
    // Set the value of
};

Checkbox Settings

RadioButton field settings

Using the updateFormField method, the form fields can be updated programmatically.

The following code example explains how to update the RadioButton field properties on a button click.

<button id="updateProperties">Update Properties</button>
document.getElementById('updateProperties').addEventListener('click',function() {
    var formField = viewer.retrieveFormFields();
    viewer.formDesignerModule.updateFormField(formField[0], {
        name: 'RadioButton',
        isReadOnly: true,
        visibility: 'visible',
        isRequired: false,
        isPrint: true,
        tooltip: 'RadioButton',
        thickness: 4,
        isSelected: true,
        backgroundColor: 'white',
        borderColor: 'black',
        value: 'RadioButton'
    });
});

The following code example explains how to update the properties of the RadioButton field added to the document from the form designer toolbar.

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);

pdfviewer.appendTo('#PdfViewer');
// Properties to customize the RadioButton field settings
pdfviewer.radioButtonFieldSettings = {
    // Set the name of the form field element.
    name: 'RadioButton',
    // Specify whether the RadioButton field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the RadioButton field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'RadioButton',
    // Set the thickness of the RadioButton field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Specifies whether the radio button is in checked state or not.
    isSelected: true,
    // Set the background color of the radio button in hexadecimal string format.
    backgroundColor: 'white',
    // Set the border color of the radio button field.
    borderColor: 'black',
    // Set the value of the form field element.
    value: 'RadioButton'
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
    
pdfviewer.appendTo('#PdfViewer');
// Properties to customize the RadioButton field settings
pdfviewer.radioButtonFieldSettings = {
    // Set the name of the form field element.
    name: 'RadioButton',
    // Specify whether the RadioButton field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the RadioButton field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'RadioButton',
    // Set the thickness of the RadioButton field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Specifies whether the radio button is in checked state or not.
    isSelected: true,
    // Set the background color of the radio button in hexadecimal string format.
    backgroundColor: 'white',
    // Set the border color of the radio button field.
    borderColor: 'black',
    // Set the value of the form field element.
    value: 'RadioButton'
};

Radiobutton Settings

ListBox field settings

Using the updateFormField method, the form fields can be updated programmatically.

The following code example explains how to update the ListBox field properties on a button click.

<button id="updateProperties">Update Properties</button>
document.getElementById('updateProperties').addEventListener('click',function() {
    var formField = viewer.retrieveFormFields();
    var customOptions  = [{itemName:'item1',itemValue:'item1'}, {itemName:'item2',itemValue:'item2'}, {itemName:'item3',itemValue:'item3'}]
    viewer.formDesignerModule.updateFormField(formField[0], {
      name: 'ListBox',
      isReadOnly: false,
      visibility: 'visible',
      isRequired: false,
      isPrint: true,
      tooltip: 'ListBox',
      thickness: 4,
      fontFamily: 'Courier',
      fontSize: 10,
      fontStyle: 'None',
      color: 'black',
      borderColor: 'black',
      backgroundColor: 'white',
      alignment: 'Left',
      options: customOptions,
    });
});

The following code example explains how to update the properties of the Listbox field added to the document from the form designer toolbar.

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);

pdfviewer.appendTo('#PdfViewer');
 var customOptions  = [{itemName:'item1',itemValue:'item1'}, {itemName:'item2',itemValue:'item2'}, {itemName:'item3',itemValue:'item3'}]
// Properties to customize the Listbox field settings
pdfviewer.listBoxFieldSettings = {   
    // Set the name of the form field element.
    name: 'ListBox',
    // Specify whether the ListBox field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the ListBox field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'ListBox',
    // Set the thickness of the ListBox field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Set the value of the form field element.
    value:'ListBox',
    // Set the font family of the ListBox field.
    fontFamily: 'Courier',
    // Set the font size of the ListBox field.
    fontSize: 10,
    // Specify the font style
    fontStyle: 'None',
    // Set the  font color of the ListBox field.
    color: 'black',
    // Set the border color of the ListBox field.
    borderColor: 'black',
    // Set the background color of the ListBox field.
    backgroundColor: 'White',
    // Set the alignment of the text.
    alignment: 'Left',
    // Set the listbox items.
    options: customOptions
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
    
pdfviewer.appendTo('#PdfViewer');
var customOptions  = [{itemName:'item1',itemValue:'item1'}, {itemName:'item2',itemValue:'item2'}, {itemName:'item3',itemValue:'item3'}]
// Properties to customize the Listbox field settings
pdfviewer.listBoxFieldSettings = {
    // Set the name of the form field element.
    name: 'ListBox',
    // Specify whether the ListBox field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the ListBox field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'ListBox',
    // Set the thickness of the ListBox field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Set the value of the form field element.
    value:'ListBox',
    // Set the font family of the ListBox field.
    fontFamily: 'Courier',
    // Set the font size of the ListBox field.
    fontSize: 10,
    // Specify the font style
    fontStyle: 'None',
    // Set the  font color of the ListBox field.
    color: 'black',
    // Set the border color of the ListBox field.
    borderColor: 'black',
    // Set the background color of the ListBox field.
    backgroundColor: 'White',
    // Set the alignment of the text.
    alignment: 'Left',
    // Set the listbox items.
    options: customOptions
};

Listbox Settings

Using the updateFormField method, the form fields can be updated programmatically.

The following code example explains how to update the DropDown field properties on a button click.

<button id="updateProperties">Update Properties</button>
document.getElementById('updateProperties').addEventListener('click',function() {
    var formField = viewer.retrieveFormFields();
    var customOptions  = [{itemName:'item1',itemValue:'item1'}, {itemName:'item2',itemValue:'item2'}, {itemName:'item3',itemValue:'item3'}]
    viewer.formDesignerModule.updateFormField(formField[0], { 
        name: 'DropDown',
        isReadOnly: false,
        visibility: 'visible',
        isRequired: false,
        isPrint: true,
        tooltip: 'DropDown',
        thickness: 4,
        fontFamily: 'Courier',
        fontSize: 10,
        fontStyle: 'None',
        color: 'black',
        borderColor: 'black',
        backgroundColor: 'white',
        alignment: 'Left',
        options: customOptions,
    });
});

The following code example explains how to update the properties of the Dropdown field added to the document from the form designer toolbar.

var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);

pdfviewer.appendTo('#PdfViewer');
 var customOptions  = [{itemName:'item1',itemValue:'item1'}, {itemName:'item2',itemValue:'item2'}, {itemName:'item3',itemValue:'item3'}]
// Properties to customize the DropDown field settings
pdfviewer.DropdownFieldSettings  = {   
    // Set the name of the form field element.
    name: 'DropDown',
    // Specify whether the DropDown field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the DropDown field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'DropDown',
    // Set the thickness of the DropDown field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Set the value of the form field element.
    value:'DropDown',
    // Set the font family of the DropDown field.
    fontFamily: 'Courier',
    // Set the font size of the DropDown field.
    fontSize: 10,
    // Specify the font style
    fontStyle: 'None',
    // Set the  font color of the DropDown field.
    color: 'black',
    // Set the border color of the DropDown field.
    borderColor: 'black',
    // Set the background color of the DropDown field.
    backgroundColor: 'White',
    // Set the alignment of the text.
    alignment: 'Left',
    // Set the DropDown items.
    options: customOptions
};
var pdfviewer = new ej.pdfviewer.PdfViewer({
                    documentPath: "https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf",
                    serviceUrl: 'https://services.syncfusion.com/js/production/api/pdfviewer'
                });
    ej.pdfviewer.PdfViewer.Inject(ej.pdfviewer.TextSelection, ej.pdfviewer.TextSearch, ej.pdfviewer.Print, ej.pdfviewer.Navigation, ej.pdfviewer.Toolbar, ej.pdfviewer.Magnification, ej.pdfviewer.Annotation, ej.pdfviewer.FormDesigner, ej.pdfviewer.FormFields);
    
pdfviewer.appendTo('#PdfViewer');
var customOptions  = [{itemName:'item1',itemValue:'item1'}, {itemName:'item2',itemValue:'item2'}, {itemName:'item3',itemValue:'item3'}]
// Properties to customize the DropDown field settings
pdfviewer.DropdownFieldSettings  = {
    // Set the name of the form field element.
    name: 'DropDown',
    // Specify whether the DropDown field is in read-only or read-write mode.
    isReadOnly: false,
    // Set the visibility of the form field.
    visibility: 'visible',
    // Specify whether the field is mandatory or not.
    isRequired: false,
    // Specify whether to print the DropDown field.
    isPrint: true,
    // Set the text to be displayed as a tooltip.
    tooltip: 'DropDown',
    // Set the thickness of the DropDown field. To hide the borders, set the value to 0 (zero).
    thickness: 4,
    // Set the value of the form field element.
    value:'DropDown',
    // Set the font family of the DropDown field.
    fontFamily: 'Courier',
    // Set the font size of the DropDown field.
    fontSize: 10,
    // Specify the font style
    fontStyle: 'None',
    // Set the  font color of the DropDown field.
    color: 'black',
    // Set the border color of the DropDown field.
    borderColor: 'black',
    // Set the background color of the DropDown field.
    backgroundColor: 'White',
    // Set the alignment of the text.
    alignment: 'Left',
    // Set the DropDown items.
    options: customOptions
};

Dropdown Settings