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ASP.NET database image handler doesn't display ICO image format

Posted on 2010-08-22
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Last Modified: 2013-12-25
I'm storing my images in a sql 2008 database as varbinary(max) and displaying them on my web page using an httphandler. The httphandler does the following:
context.Response.ContentType = dr("Filetype").ToString()
context.Response.BinaryWrite(DirectCast(dr("File"), Byte()))

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where Filetype is the file extension. For example, GIF, JPG, PNG, ICO.

I use the following markup to display the image:

<asp:Image ID="Image1" runat="server" ImageUrl="~/HttpHandlers/DBImageHandler.ashx?fileid=11" />

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The code works fine for PNG but not for ICO. I know the web site can display ICO file extensions since I was originally storing the files on web server disk drive and displaying them normally (ImageUrl='~/images/MyIcon.ico').

Do I need a different content type than ico to display those file types?

Thanks in advance.
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Question by:ZekeLA
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ZekeLA earned 0 total points
ID: 33496000
I found the answer. Content type of .ico has to be image/x-icon. Apparently, .png doesn't require explict content type. I found correct format from this list: http://www.asptutorial.info/sscript/ContentType.html.
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