protected void EmailValidator_OnServerValidate(object source, ServerValidateEventArgs args)
 {
     args.IsValid = MembershipProviderBase.IsEmailValid(args.Value);
 }
 private void EmailCustomValidator_OnServerValidate(object source, ServerValidateEventArgs args)
 {
     args.IsValid = MembershipProviderBase.IsEmailValid(email.Text.Trim());
 }