Invalid postback or callback argument. Event validation is enabled using in configuration or in a page.

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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 got this when button click in grid view?

Posted 18-Jul-11 23:17pm

Ashika s

Updated 19-Jul-11 19:17pm

walterhevedeich

v7

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Herman<T>.Instance 19-Jul-11 5:19am

and what do you expect now?

Ankur^\m/ 19-Jul-11 5:57am

You have the "exact" error message, so you have solved the major part of the problem. The remaining part can be solved by searching Google for the error message. Good luck!

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Toniyo Jackson · Answer 1 · 2011-07-19T22:55:00

Solution 1

See the same discussion here[^].

Posted 19-Jul-11 22:55pm

Toniyo Jackson