private void txtQbKeySearch_Validating(object sender, CancelEventArgs e)
{
if (!Regex.IsMatch(txtQbKeySearch.Text, "^(|[^ ]{2,})$"))
{
err.SetError(txtQbKeySearch, "Invalid QB Key Search, can not be blank and must be text or an even amount of characters, a valid example is artist or 1A4F98AF");
return;
}
else
err.SetError(txtQbKeySearch, "");
}