First of all, this is not a new issue. If you have an old .NET web form, especially prior to .NET 4.5, with an ImageButton in a UpdatePanel, then when you click on the ImageButton in IE 10 or higher browser, then you will encounter an error: The input string was not in a correct format Without going into the details of the root cause, I will just list the fixes here: Fix 1: Simply upgrade […]
Daily Archives: June 11, 2014
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