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Identify the loaded document is edited

20 Jan 2022 / 1 minute to read

The PDF Viewer server library allows you to identify whether loaded PDF document is edited or not. Use the isDocumentEdited property to identify whether the changes made in PDF document.

The following steps are used to identify loaded document is edited in PDF viewer control,

Step 1: Follow the steps provided in the link to create simple PDF Viewer sample.

Step 2: Add the following code snippet with button click event to identity loaded document edited.

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<button onclick="beforeEdit()">BeforeDocumentEdit</button>
<button onclick="afterEdit()">AfterDocumentEdit</button>

<script>
    function beforeEdit() {
        var viewer = document.getElementById('pdfviewer').ej2_instances[0];
        console.log("Is Document Edited = " + viewer.isDocumentEdited);
    }
    function afterEdit() {
        var viewer = document.getElementById('pdfviewer').ej2_instances[0];
        console.log("Is Document Edited = " + viewer.isDocumentEdited);
    }
</script>

Download the sample how to identify the loaded document is edited