Fileupload Within Update Panel / Can't Get The FileUpload Working Properly

Jan 15, 2010

Hopefully someone can give me some pointers to get this working properly.

I have a webpage which I would like the ability to upload files to be stored in a database. Here's the layout of the page:


The update panel is configured as such:

ChildrenAsTriggers="True" EnableViewState="True" RenderMode="Block" UpdateMode="Always" Visible="True" Runat="Server"

The reason I have the update panel outside the Tabcontainer is so that when switching between tabs, the screen doesn't flicker with refreshes, etc. But as a result, I can't get the FileUpload working properly. The FileUpload1.Filename is blank, so it errors out.

Is there anyway to get this working properly? I've tried the latest AsyncFileupload within the control toolkit, but this caused all kinds of problems with my pages so that's out of the question. I tried an iFrame too, but this also didnt work properly.

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