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argumentexception

Invalid postback or callback argument. Event validation is enabled using ”

September 3, 2022 by Magenaut

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.

Categories ASP.NET, Q&A Tags .net, .net-2.0, argumentexception, asp.net, postback Leave a comment

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