ASP.NET 4 UpdatePanel and IIS7 Problem

Posted by rwponu on Stack Overflow See other posts from Stack Overflow or by rwponu
Published on 2010-05-26T14:58:18Z Indexed on 2010/05/26 15:01 UTC
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I have an ASP.NET 4 webpage that contains an update panel which just allows me to add a few items to a drop down list without reloading the entire page.

The page works fine on the Visual Studio 2010 ASP.NET Development Server, performs the Async call and the page is properly laid out. However, when I deploy the page to IIS7, the Async call no longer works (the page is completely reloaded) and the layout of some items on the page is incorrect.

I used Fiddler to look at what's happening and it looks like there are 404's when the page tries to access ScriptResource.axd, with everything else working correctly. I think that has to do with the Javascript required for the call but I'm not sure how to fix it. Any suggestions?

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