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Remove Invalid postback or callback argument error in asp.net

If in any case there is problem in asp.net as follow :

" 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. "

Then just add this at the top of page
 <%@ Page ... EnableEventValidation="false" %>

Problem solved :)

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