Newbie question here. Using VS2008 SP3.5, C# as "code-behind" lang. I am getting the below error message (see after my sig line) when one of my textboxes contains the character "<". I cannot even clear the textbox (I.e. "textbox.text = String.Empty;") because this validation kicks in. Googling, it was said you set validateRequest="false" somewhere in your pages XHTML code, but using Find I cannot even find this string (the closest I found was: <validation validateIntegratedModeConfiguration="false"/> in Web.config file.
This is actually more a philosophical question at this point, since my workaround was to make sure the "<" character is not being added programically to the textbox (I was adding a string programmically, rather than through user input). However, I'd like to know what the answer is for future reference.
I guess my questions are:
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