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How to display/generate PDF pages as thumbnails?

PDF Viewer for ASP.NET MVC does not support displaying thumbnails of the PDF file loaded, however as a workaround, the PDF pages are displayed as thumbnail by exporting the pages as images. Clicking the thumbnail image will navigate to the corresponding page in PDF Viewer.


You can export the Pdf document pages as images using the Syncfusion PDF Base library’s PdfLoadedDocument.ExportAsImage() method.  Refer to the following steps to create and display the PDF pages as thumbnail.


  1. Create the thumbnail pane using the HTML.



  1. Sending AJAX request to create the thumbnail images in the server-side and in the success of the AJAX request, PDF Viewer will be initialized.



  1. Export the PDF pages as images using the PdfLoadedDocument’s ExportAsImage() API.



  1. Place the images in the thumbnail pane.




  1. Click the thumbnail image to navigate to the corresponding page in PDF Viewer.







Executing the previously given sample will provide the output as follows. Clicking the thumbnail image will display the corresponding page in PDF Viewer.


You can find the PDF Viewer’s other options like adding Toolbar Customization, TextMarkup annotation, and Handwritten Signature features here with code examples.


Refer here to explore the rich set of PDF Viewer features.


An online demo link to view PDF documents using Syncfusion PDF Viewer.


See Also:








Article ID: Published Date: Last Revised Date: Platform: Control:
8831 06/13/2018 11/26/2018 ASP.NET MVC PdfViewer
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