PDF in ImageButton return an X, but jpg return picture fine RRS feed

  • Question

  • Hi, 

    My C# asp page has an ImageButton ImgB1 for previewing graphics and pdf from sql database Image data type.
    I'm using a Handler.ashx for showing the image.
    However, if Image data from sql is a jpg, the ImgB1 shows good picture;
    but if the data from sql is a pdf, the ImgB1 just presents an X sign.
    The code in my Handler.ashx:

    context.Response.ContentType = "application/pdf";
    context.Response.AddHeader("content-length", goodBuffer.Length.ToString());

    How do I fix this problem?
    Thanks for help.


    • Moved by CoolDadTx Thursday, May 2, 2019 6:23 PM ASP.NET related
    Thursday, May 2, 2019 8:41 AM

All replies

  • If you write the pdf to the computer hard disk can you open it?  What browser are you using for testing?
    Thursday, May 2, 2019 8:45 AM
  • Hi JasonHuang8888,

    Thank you for posting here.

    Since this thread is related to asp.net, you could post in the following forum.


    The Visual C# forum discusses and asks questions about the C# programming language, IDE, libraries, samples, and tools.

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    Thursday, May 2, 2019 8:57 AM