Invalid postback or callback argument. Event validation is enabled using ”
I am getting the following error when I post back a page from the client-side. I have JavaScript code that modifies an asp:ListBox on the client side. How do we fix this? Error details below: Server Error in ‘/XXX’ Application. ——————————————————————————– Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation=”true”/> in configuration … Read more
