void KeyCtrlC()
{
var f = new CustomerPayment();
f.ShowDialog();
}
void KeyCtrlC()
{
var f = new CustomerPayment();
f.shiftcode = new BLSales().GetShiftCode();
f.userid = lookupcashier.EditValue == null ? 0 : int.Parse(lookupcashier.EditValue.ToString());
f.ShowDialog();
}