protected void cvPackageExists_ServerValidate(object source, ServerValidateEventArgs args)
{
if (txtPackageName.Text.Equals(Target, StringComparison.InvariantCultureIgnoreCase) == false)
{
args.IsValid = (AutoUpdateManager.DoesPackageExist(txtPackageName.Text) == false);
}
else
{
args.IsValid = true;
}
}