Invalid postback or callback argument

[farogh haider]

Hi, some time i get this error : Exception: System.ArgumentException: Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %>

[Lost User]

egainz wrote:

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add EnableEventValidation="false" in page attribute

[J4amieC]

Can I suggest that if you take the advice already given, you make sure you fully understand its implications. There are security considerations here.