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How to use the PDF viewer control in ASP.NET(Classic) platform?

Platform: WinForms |
Control: PdfViewer |
Published Date: November 12, 2014 |
Last Revised Date: January 30, 2020

We do not have support for the PDF viewer control in the ASP.NET(Classic). However, as a workaround we can use the ejPdfViewer control as in the below code snippet.

Default.html

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script src="http://code.jquery.com/jquery-1.10.2.min.js" type="text/javascript"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.3/jquery.easing.min.js" type="text/javascript"></script>
    <link href="http://cdn.syncfusion.com/13.4.0.53/js/web/flat-azure/ej.web.all.min.css" rel="stylesheet" />
    <script type="text/javascript" src="http://cdn.syncfusion.com/13.4.0.53/js/web/ej.web.all.min.js "></script>
</head>
<body>
    <div>
    <!-- Creating a div tag which will act as a container for ejPdfViewer widget.-->
    <div id="viewer" style="height: 650px;width: 950px;min-height:404px;" ></div>
    <!-- initializing ejPdfViewer widget.-->
<script type="text/javascript">
    $(function () {
        $("#viewer").ejPdfViewer({
            serviceUrl: "/api/PdfViewerAPI"
        });
    });
    </script>
</div>
 
</body>
</html>

 

PdfViewerAPIController.cs

public class PdfViewerAPIController : ApiController

{

    public object PostViewerAction(Dictionary<string, string> jsonResult)

    {

        PdfViewerHelper helper = new PdfViewerHelper();

        helper.Load(Helper.GetFilePath("Barcode.pdf"));

 

        object output = helper.ProcessPdf(jsonResult);

        string response = JsonConvert.SerializeObject(output);

        return response;

    }

}

 

public class Helper

{

    public static string GetFilePath(string path)

    {

        string _dataPath = GetCommonFolder(new DirectoryInfo(HttpContext.Current.Request.PhysicalApplicationPath));

        _dataPath += @"\" + path;

        return _dataPath;

    }

 

    static string GetCommonFolder(DirectoryInfo dtInfo)

    {

        var _folderNames = dtInfo.GetDirectories("Data");

        if (_folderNames.Length > 0)

        {

            return _folderNames[0].FullName;

        }

 

        return dtInfo.Parent != null ? GetCommonFolder(dtInfo.Parent) : string.Empty;

    }

}

 

 

Sample:

http://www.syncfusion.com/downloads/support/directtrac/general/ze/PdfViewerASP1580520605

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Comments
ntn
Jul 02, 2018

I want to know the format of this parametre

Load(Dictionary jsonResult)

Reply

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