Validating dropdownlist cougardating be
requiredfieldvalidator control's Initial Value property get or set the initial value of the associated input control.
Require Field("City", "City is a required field selecection"); Validation. Require Field("First Name", "First Name is a required field selecection"); Validation.Require Field("Last Name", "Lastname is a required field selecection"); Validation. NET Summary: Learn how to use all the available ASP.This paper introduces these new controls and discusses tips and tricks on working with them in practical scenarios.