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Getting started in EJ2 JavaScript MultiColumn ComboBox control

10 Feb 202624 minutes to read

This section explains the steps required to create a simple Essential^® JS 2 Multicolumn ComboBox and demonstrate the basic usage of the Multicolumn ComboBox control in a JavaScript application.

Dependencies

The list of dependencies required to use the Multicolumn ComboBox component in your application is given below:

|-- @syncfusion/ej2-dropdowns
    |-- @syncfusion/ej2-base
    |-- @syncfusion/ej2-data
    |-- @syncfusion/ej2-inputs
    |-- @syncfusion/ej2-lists
    |-- @syncfusion/ej2-navigations
    |-- @syncfusion/ej2-notifications
    |-- @syncfusion/ej2-popups
        |-- @syncfusion/ej2-buttons

Setup for local environment

Refer to the following steps to set up your local environment.

Step 1: Create a root folder named my-app for your application.

Step 2: Create a my-app/resources folder to store local scripts and styles files.

Step 3: Open Visual Studio Code and create my-app/index.js and my-app/index.html files to initialize the Essential^® JS 2 Multicolumn ComboBox control.

Adding Syncfusion^® resources

The Essential^® JS 2 Multicolumn ComboBox control can be initialized by using either of the following ways.

Using local script and style.
Using CDN link for script and style.

Using local script and style references in a HTML page

Step 1: Create an app folder myapp for Essential^® JS 2 JavaScript components.

Step 2: You can get the global scripts and styles from the Essential Studio^® JavaScript (Essential^® JS 2) build installed location.

Syntax:

Script: **(installed location)**/Syncfusion/Essential Studio/{RELEASE_VERSION}/Essential JS 2/{PACKAGE_NAME}/dist/global/{PACKAGE_NAME}.min.js

Styles: **(installed location)**/Syncfusion/Essential Studio/{RELEASE_VERSION}/Essential JS 2/{PACKAGE_NAME}/styles/material.css

Example:

Script: C:/Program Files (x86)/Syncfusion/Essential Studio/15.4.30/Essential JS 2/ej2-multicolumn-combobox/dist/global/ej2-multicolumn-combobox.min.js

Styles: C:/Program Files (x86)/Syncfusion/Essential Studio/15.4.30/Essential JS 2/ej2-multicolumn-combobox/styles/material.css

Step 3: Create a folder myapp/resources and copy/paste the global scripts and styles from the above installed location to myapp/resources location.

Step 4: Create a HTML page (index.html) in myapp location and add the Essentials JS 2 script and style references.

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
            <!-- Essential JS 2 material theme -->
            <link href="resources/base/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/inputs/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/lists/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/popups/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/buttons/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/grids/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/multicolumn-combobox/styles/material.css" rel="stylesheet" type="text/css"/>

            <!-- Essential JS 2 MultiColumn ComboBox's dependent scripts -->
            <script src="resources/ej2-base.min.js" type="text/javascript"></script>
            <script src="resources/ej2-data.min.js" type="text/javascript"></script>
            <script src="resources/ej2-inputs.min.js" type="text/javascript"></script>
            <script src="resources/ej2-lists.min.js" type="text/javascript"></script>
            <script src="resources/ej2-popups.min.js" type="text/javascript"></script>
            <script src="resources/ej2-buttons.min.js" type="text/javascript"></script>
            <script src="resources/ej2-grids.min.js" type="text/javascript"></script>
            <!-- Essential JS 2 MultiColumn ComboBox's global script -->
            <script src="resources/ej2-multicolumn-combobox.min.js" type="text/javascript"></script>
       </head>
       <body>
       </body>
  </html>

Step 5: Now, add the input element and initiate the Essential^® JS 2 MultiColumn ComboBox control in the index.html by using following code

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
            <!-- Essential JS 2 material theme -->
            <link href="resources/base/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/inputs/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/lists/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/popups/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/buttons/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/grids/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/multicolumn-combobox/styles/material.css" rel="stylesheet" type="text/css"/>

            <!-- Essential JS 2 MultiColumn ComboBox's dependent scripts -->
            <script src="resources/ej2-base.min.js" type="text/javascript"></script>
            <script src="resources/ej2-data.min.js" type="text/javascript"></script>
            <script src="resources/ej2-inputs.min.js" type="text/javascript"></script>
            <script src="resources/ej2-lists.min.js" type="text/javascript"></script>
            <script src="resources/ej2-popups.min.js" type="text/javascript"></script>
            <script src="resources/ej2-buttons.min.js" type="text/javascript"></script>
            <script src="resources/ej2-grids.min.js" type="text/javascript"></script>
            <script src="resources/ej2-calendars.min.js" type="text/javascript"></script>
            <script src="resources/ej2-excel-export.min.js" type="text/javascript"></script>
            <script src="resources/ej2-pdf-export.min.js" type="text/javascript"></script>
            <script src="resources/ej2-compression.min.js" type="text/javascript"></script>
            <script src="resources/ej2-file-utils.min.js" type="text/javascript"></script>
            <!-- Essential JS 2 MultiColumn ComboBox's global script -->
            <script src="resources/ej2-multicolumn-combobox.min.js" type="text/javascript"></script>
       </head>
      <body>
           <!-- Add the HTML <input> element  -->
             <input type="text" id='multicolumn' />
            <script>
            // initialize MultiColumn ComboBox control
            var multiComboBoxObject = new ej.multicolumncombobox.MultiColumnComboBox();
            // Render initialized MultiColumn ComboBox.
            multiComboBoxObject.appendTo('#multicolumn');
            </script>
       </body>
  </html>

Step 6: Now, run the index.html in web browser, it will render the Essential^® JS 2 MultiColumn ComboBox control.

Using CDN link for script and style reference

Step 1: Create an app folder myapp for the Essential^® JS 2 JavaScript components.

Step 2: The Essential^® JS 2 component’s global scripts and styles are already hosted in the following CDN link formats.

Syntax:

Script: http://cdn.syncfusion.com/ej2/{PACKAGE_NAME}/dist/global/{PACKAGE_NAME}.min.js

Styles: http://cdn.syncfusion.com/ej2/{PACKAGE_NAME}/styles/material.css

Example:

Script: http://cdn.syncfusion.com/ej2/ej2-dropdowns/dist/global/ej2-multicolumn-combobox.min.js

Styles: http://cdn.syncfusion.com/ej2/ej2-dropdowns/styles/material.css

Step 3: Create a HTML page (index.html) in myapp location and add the CDN link references. Now, add the input element and initiate the Essential^® JS 2 MultiColumn ComboBox control in the index.html by using following code.

index.html
<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
        <title>Essential JS 2</title>
        <!-- Essential JS 2 MultiColumn ComboBox's dependency style -->
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-base/styles/material.css" rel="stylesheet" />
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-inputs/styles/material.css" rel="stylesheet" />
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-grids/styles/material.css" rel="stylesheet" />
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-popups/styles/material.css" rel="stylesheet" />

        <!-- Essential JS 2 MultiColumn ComboBox's style -->
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-multicolumn-combobox/styles/material.css" rel="stylesheet" />

        <!-- Essential JS 2 all script -->
        <!-- <script src="https://cdn.syncfusion.com/ej2/32.2.3/dist/ej2.min.js" type="text/javascript"></script> -->

        <!-- Essential JS 2 MultiColumn ComboBox's dependent scripts -->
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-base/dist/global/ej2-base.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-data/dist/global/ej2-data.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-inputs/dist/global/ej2-inputs.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-buttons/dist/global/ej2-buttons.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-lists/dist/global/ej2-lists.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-popups/dist/global/ej2-popups.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-calendars/dist/global/ej2-calendars.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-grids/dist/global/ej2-grids.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-excel-export/dist/global/ej2-excel-export.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-pdf-export/dist/global/ej2-pdf-export.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-compression/dist/global/ej2-compression.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-file-utils/dist/global/ej2-file-utils.min.js" type="text/javascript"></script>

        <!-- Essential JS 2 MultiColumn ComboBox's script -->
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-multicolumn-combobox/dist/global/ej2-multicolumn-combobox.min.js" type="text/javascript"></script>

        <style>
            #container {
                margin-top: 30px;
                padding: 30px;
            }
        </style>
   <script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
   <body>
       <div id='container' style="margin:50px auto 0;width: 500px;">
           <!-- Input element to render the MultiColumn combobox control-->
            <input type="text" id='multicolumn' />
        </div>
        <script>
        var empData = [ 
            { "EmpID": 1001, "Name": "Andrew Fuller", "Designation": "Team Lead", "Country": "England" },
            { "EmpID": 1002, "Name": "Robert", "Designation": "Developer", "Country": "USA" },
            { "EmpID": 1003, "Name": "Michael", "Designation": "HR", "Country": "Russia" },
            { "EmpID": 1004, "Name": "Steven Buchanan", "Designation": "Product Manager", "Country": "Ukraine" },
            { "EmpID": 1005, "Name": "Margaret Peacock", "Designation": "Developer", "Country": "Egypt" },
            { "EmpID": 1006, "Name": "Janet Leverling", "Designation": "Team Lead", "Country": "Africa" },
            { "EmpID": 1007, "Name": "Alice", "Designation": "Product Manager", "Country": "Australia" },
            { "EmpID": 1008, "Name": "Bob", "Designation": "Developer", "Country": "India" },
            { "EmpID": 1009, "Name": "John", "Designation": "Product Manager", "Country": "Ireland"},
            { "EmpID": 1010, "Name": "Mario Pontes", "Designation": "Team Lead", "Country": "South Africa" },
            { "EmpID": 1011, "Name": "Yang Wang", "Designation": "Developer", "Country": "Russia" },
            { "EmpID": 1012, "Name": "David", "Designation": "Product Manager", "Country": "Egypt" },
            { "EmpID": 1013, "Name": "Antonio Bianchi", "Designation": "Team Lead", "Country": "USA" },
            { "EmpID": 1014, "Name": "Laura", "Designation": "Developer", "Country": "England" },
            { "EmpID": 1015, "Name": "Carlos Hernandez", "Designation": "Developer", "Country": "Canada" },
            { "EmpID": 1016, "Name": "Lily", "Designation": "Product Manager", "Country": "France" },
            { "EmpID": 1017, "Name": "Tom Williams", "Designation": "Developer", "Country": "Ukraine" },
            { "EmpID": 1018, "Name": "Grace", "Designation": "Developer", "Country": "Australia" },
            { "EmpID": 1019, "Name": "Olivia", "Designation": "Team Lead", "Country": "Ireland" },
            { "EmpID": 1020, "Name": "James", "Designation": "Developer", "Country": "China" }
        ];
        var columnsData = [
            { field: 'EmpID', header: 'Employee ID', width: 120 },
            { field: 'Name', header: 'Name', width: 120 },
            { field: 'Designation', header: 'Designation', width: 120 },
            { field: 'Country', header: 'Country', width: 100 }
        ];
        // initialize MultiColumn Combobox component
        var multiComboBoxObject = new ej.multicolumncombobox.MultiColumnComboBox({
            //set the data to dataSource property
            dataSource: empData,
            //set the column of the multicolumn combobox
            columns: columnsData,
            //set the fields of the multicolumn combobox
            fields: { text: 'Name', value: 'EmpID' },
            // set placeholder to ComboBox input element
            placeholder: "Select a employee"
        });
        // render initialized MultiColumn ComboBox
        multiComboBoxObject.appendTo('#multicolumn');
        </script>
   </body>
  </html>

Step 4: Now, run the index.html in web browser, it will render the Essential^® JS 2 MultiColumn ComboBox control.

Binding data source with fields and columns

After initializing, populate the MultiColumn ComboBox with data by using the dataSource property, to map the data for each specified columns use the columns property and the fields property to map the data fields from the dataSource.

Here an array of object values is passed to the MultiColumn ComboBox control.

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
          <!-- Essential JS 2 MultiColumn ComboBox's dependency style -->
          <link href="https://cdn.syncfusion.com/ej2/28.2.3/ej2-base/styles/material.css" rel="stylesheet" />
          <link href="https://cdn.syncfusion.com/ej2/28.2.3/ej2-inputs/styles/material.css" rel="stylesheet" />
          <link href="https://cdn.syncfusion.com/ej2/28.2.3/ej2-grids/styles/material.css" rel="stylesheet" />
          <link href="https://cdn.syncfusion.com/ej2/28.2.3/ej2-popups/styles/material.css" rel="stylesheet" />

          <!-- Essential JS 2 MultiColumn ComboBox's control style -->
          <link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-multicolumn-combobox/styles/material.css" rel="stylesheet" />

            <!-- Essential JS 2 MultiColumn ComboBox's dependent scripts -->
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-base/dist/global/ej2-base.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-data/dist/global/ej2-data.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-inputs/dist/global/ej2-inputs.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-buttons/dist/global/ej2-buttons.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-lists/dist/global/ej2-lists.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-popups/dist/global/ej2-popups.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-calendars/dist/global/ej2-calendars.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-grids/dist/global/ej2-grids.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-excel-export/dist/global/ej2-excel-export.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-pdf-export/dist/global/ej2-pdf-export.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-compression/dist/global/ej2-compression.min.js" type="text/javascript"></script>
            <script src="https://cdn.syncfusion.com/ej2/28.2.3/ej2-file-utils/dist/global/ej2-file-utils.min.js" type="text/javascript"></script>

          <!-- Essential JS 2 MultiColumn ComboBox's script -->
          <script src="https://cdn.syncfusion.com/ej2/21.2.3/ej2-multicolumn-combobox/dist/global/ej2-multicolumn-combobox.min.js" type="text/javascript"></script>
       </head>
       <body>
           <!-- Add the HTML <input> element  -->
             <input type="text" id='multicolumn' />
            <script>
            var employeeData = [
               { "EmpID": 1001, "Name": "Andrew Fuller", "Designation": "Team Lead", "Country": "England" },
               { "EmpID": 1002, "Name": "Robert", "Designation": "Developer", "Country": "USA" },
               { "EmpID": 1003, "Name": "John", "Designation": "Tester", "Country": "Germany" },
               { "EmpID": 1004, "Name": "Robert King", "Designation": "Product Manager", "Country": "India" },
               { "EmpID": 1005, "Name": "Steven Buchanan", "Designation": "Developer", "Country": "Italy" },
               { "EmpID": 1006, "Name": "Jane Smith", "Designation": "Developer", "Country": "Europe" },
               { "EmpID": 1007, "Name": "James Brown", "Designation": "Developer", "Country": "Australia" },
               { "EmpID": 1008, "Name": "Laura Callahan", "Designation": "Developer", "Country": "Africa" },
               { "EmpID": 1009, "Name": "Mario Pontes", "Designation": "Developer", "Country": "Russia" },
            ];
            var columnsData = [
               { field: 'EmpID', header: 'Employee ID', width: 130 },
               { field: 'Name', width: 140, header: 'Name' },
               { field: 'Designation', header: 'Designation', width: 100 },
               { field: 'Country', header: 'Country', width: 140 }
            ];
            // initialize MultiColumn ComboBox component
            var multiComboBoxObject = new ej.multicolumncombobox.MultiColumnComboBox({
                //set the data to dataSource property
                dataSource: employeeData,
                //set the column data to the columns property
                columns: columnsData,
                //set the fields of the multicolumn combobox
                fields: { text: 'Name', value: 'EmpID' }
            });
            // Render initialized MultiColumn ComboBox.
            multiComboBoxObject.appendTo('#multicolumn');
            </script>
       </body>
  </html>

By default, the width of the popup list automatically adjusts according to the MultiColumn ComboBox input element’s width, and the height of the popup list has 300px.

The height and width of the popup list can also be customized using the popupHeight and popupWidth properties respectively.

In the following sample, popup list’s width and height are configured.

index.html
<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
        <title>Essential JS 2</title>
        <!-- Essential JS 2 MultiColumn ComboBox's dependency style -->
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-base/styles/material.css" rel="stylesheet" />
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-inputs/styles/material.css" rel="stylesheet" />
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-grids/styles/material.css" rel="stylesheet" />
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-popups/styles/material.css" rel="stylesheet" />

        <!-- Essential JS 2 MultiColumn ComboBox's style -->
        <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-multicolumn-combobox/styles/material.css" rel="stylesheet" />
        
        <!-- Essential JS 2 all script -->
        <!-- <script src="https://cdn.syncfusion.com/ej2/32.2.3/dist/ej2.min.js" type="text/javascript"></script> -->

        <!-- Essential JS 2 MultiColumn ComboBox's dependent scripts -->
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-base/dist/global/ej2-base.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-data/dist/global/ej2-data.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-inputs/dist/global/ej2-inputs.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-buttons/dist/global/ej2-buttons.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-lists/dist/global/ej2-lists.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-popups/dist/global/ej2-popups.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-grids/dist/global/ej2-grids.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-calendars/dist/global/ej2-calendars.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-excel-export/dist/global/ej2-excel-export.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-pdf-export/dist/global/ej2-pdf-export.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-compression/dist/global/ej2-compression.min.js" type="text/javascript"></script>
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-file-utils/dist/global/ej2-file-utils.min.js" type="text/javascript"></script>

        <!-- Essential JS 2 MultiColumn ComboBox's script -->
        <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-multicolumn-combobox/dist/global/ej2-multicolumn-combobox.min.js" type="text/javascript"></script>

        <style>
            #container {
                margin-top: 30px;
                padding: 30px;
            }
        </style>
   <script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
   <body>
       <div id='container' style="margin:50px auto 0; width:350px;">
           <!-- Input element to render the MultiColumn combobox control-->
            <input type="text" id='multicolumn' />
        </div>
        <script>
        var empData = [ 
            { "EmpID": 1001, "Name": "Andrew Fuller", "Designation": "Team Lead", "Country": "England" },
            { "EmpID": 1002, "Name": "Robert", "Designation": "Developer", "Country": "USA" },
            { "EmpID": 1003, "Name": "Michael", "Designation": "HR", "Country": "Russia" },
            { "EmpID": 1004, "Name": "Steven Buchanan", "Designation": "Product Manager", "Country": "Ukraine" },
            { "EmpID": 1005, "Name": "Margaret Peacock", "Designation": "Developer", "Country": "Egypt" },
            { "EmpID": 1006, "Name": "Janet Leverling", "Designation": "Team Lead", "Country": "Africa" },
            { "EmpID": 1007, "Name": "Alice", "Designation": "Product Manager", "Country": "Australia" },
            { "EmpID": 1008, "Name": "Bob", "Designation": "Developer", "Country": "India" },
            { "EmpID": 1009, "Name": "John", "Designation": "Product Manager", "Country": "Ireland"},
            { "EmpID": 1010, "Name": "Mario Pontes", "Designation": "Team Lead", "Country": "South Africa" },
            { "EmpID": 1011, "Name": "Yang Wang", "Designation": "Developer", "Country": "Russia" },
            { "EmpID": 1012, "Name": "David", "Designation": "Product Manager", "Country": "Egypt" },
            { "EmpID": 1013, "Name": "Antonio Bianchi", "Designation": "Team Lead", "Country": "USA" },
            { "EmpID": 1014, "Name": "Laura", "Designation": "Developer", "Country": "England" },
            { "EmpID": 1015, "Name": "Carlos Hernandez", "Designation": "Developer", "Country": "Canada" },
            { "EmpID": 1016, "Name": "Lily", "Designation": "Product Manager", "Country": "France" },
            { "EmpID": 1017, "Name": "Tom Williams", "Designation": "Developer", "Country": "Ukraine" },
            { "EmpID": 1018, "Name": "Grace", "Designation": "Developer", "Country": "Australia" },
            { "EmpID": 1019, "Name": "Olivia", "Designation": "Team Lead", "Country": "Ireland" },
            { "EmpID": 1020, "Name": "James", "Designation": "Developer", "Country": "China" }
        ];
        var columnsData = [
            { field: 'EmpID', header: 'Employee ID', width: 70 },
            { field: 'Name', width: 80, header: 'Name' },
            { field: 'Designation', header: 'Designation', width: 60 },
            { field: 'Country', header: 'Country', width: 80 }
        ];
        // initialize MultiColumn Combobox component
        var multiComboBoxObject = new ej.multicolumncombobox.MultiColumnComboBox({
            //set the data to dataSource property
            dataSource: empData,
            //set the column of the multicolumn combobox
            columns: columnsData,
            //set the fields of the multicolumn combobox
            fields: { text: 'Name', value: 'EmpID' },
            // set placeholder to ComboBox input element
            placeholder: "Select a employee",
            // set the height of the popup element
            popupHeight: '200px',
            // set the width of the popup element
            popupWidth: '480px'
        });
        // render initialized MultiColumn ComboBox
        multiComboBoxObject.appendTo('#multicolumn');
        </script>
   </body>
  </html>

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How can I help you?

Getting started in EJ2 JavaScript MultiColumn ComboBox control

Dependencies

Setup for local environment

Adding Syncfusion^® resources

Using local script and style references in a HTML page

Using CDN link for script and style reference

Binding data source with fields and columns

How can I help you?

Getting started in EJ2 JavaScript MultiColumn ComboBox control

Dependencies

Setup for local environment

Adding Syncfusion® resources

Using local script and style references in a HTML page

Using CDN link for script and style reference

Binding data source with fields and columns

Configure the popup list

Adding Syncfusion^® resources