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Display document without downloading in ASP.NET Core PDF Viewer control

28 Jan 2022 / 1 minute to read

The PDF Viewer server library allows you to display the downloaded PDF document in the PDF Viewer control without downloading a document in the local machine using the load method.

The following steps are used to display the downloaded without downloading in the local machine.

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

Step 2: Use the following code snippet to Display document without downloading.

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<button onclick="downloadDocument()">downloadDocument</button>

<script>
    function downloadDocument() {
        var viewer = document.getElementById('pdfviewer').ej2_instances[0];
        viewer.saveAsBlob().then(function (value) {
            var data = value;
            var reader = new FileReader();
            reader.readAsDataURL(data);
            reader.onload = () => {
                var base64data = reader.result;
                console.log(base64data);
                viewer.load(base64data, null);
            };
        });
    }
</script>

Download the sample how to display document without downloading