I got this error when browsing my site in firefox.
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. please tell me why this error?
i have tried and tested my site in firefox also but this is first time i got this error while form filling.
i guess probably while it was inserting+updating records in database.
any help please
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