Java Script in Validation controls in asp.net
C开发者_高级运维an i give alert message box of javascript in errormessage property of required field validator in asp.net
This reference page : ASP.Net Message Box Alert Display shows some help regarding how to show alert message using ASP.net.
I don't know weather this will solve your problem or not as this is not case of RequireFieldValidator. Correct me if I am wrong.
Thanking You.
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