Using a RequiredFieldValidator with a RadioButtonList, DropDownList, L(professionalaspnet.com)

submitted by docluvdocluv(1575) 5 years, 1 month ago

We often need to require a user select an item in a RadioButtonList, or any other web control derived from ListControl. Often an uninitiated programmer will add a RequiredFieldValidation control to their form and set the ControlToValidate property to the RadioButtonList in question.

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