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sorting error

I get that error while sorting telerik RadGrid column. I added EnableViewState="true" on my grid still.. I googled but couldnt find good solution, takes care of the problem

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.
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1jaws
Asked:
1jaws
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2 Solutions
 
1jawsAuthor Commented:
didnt solve the problem...
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HainKurtSr. System AnalystCommented:
on your page put this

<%@ Page EnableEventValidation="false" %>
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1jawsAuthor Commented:
I think I have used that before but I will try and let you know..
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1jawsAuthor Commented:
Thanks both
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