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RadGrid with Upload In grid Generates PageRequestManagerServerErrorException

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OverCoded
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OverCoded asked on 17 Aug 2011, 05:30 PM
I have a RadGrid with an upload copied from the example. When the cancel, edit or delete buttons are pushed I get a Microsoft JScript runtime error with the following data:

Sys.WebForms.PageRequestManagerServerErrorException: Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation. 

I have tried several work arounds but none of them work.

8/18/2011 - Problem solved.

No answers yet. Maybe you can help?

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