private void btncheckvoucher_Click(object sender, EventArgs e)
{
voucher = blvoucher.GetVoucher(tbxvoucher.Text.Trim());
if (voucher == null)
{
MessageBox.Show("Voucher không chính xác!",
"ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
tbxvoucher.ResetText();
return;
}
lbgiamgia.Text = voucher.Value.ToString() + "%";
MessageBox.Show("Voucher trị giá " + voucher.Value + "%", "Thông báo",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
public cVoucher GetVoucher(string code)
{
string query = "EXEC GetVoucher @code";
DataSet ds = db.ExecuteQueryDS(query, CommandType.Text, new object[] { code });
DataTable dt = new DataTable();
dt = ds.Tables[0];
cVoucher vc = null;
try
{
vc = new cVoucher(dt.Rows[0]);
}
catch { }
return(vc);
}
private void btnthanhtoan_Click(object sender, EventArgs e)
{
int idbill = bill.GetUnCheckBillID(IDTABLE);
try
{
GiamGia = voucher.Value;
}
catch { GiamGia = 0; }
if (idbill != -1)
{
frmHoaDon f = new frmHoaDon();
f.ShowDialog();
if (XacNhan)
{
XacNhan = false;
if (voucher == null)
{
if (!bill.Pay(idbill, IDTABLE, -1, 0, TotalPrice, ref error))
{
showErr();
return;
}
}
else
{
if (!bill.Pay(idbill, IDTABLE, voucher.ID, GiamGia, TotalPrice - (TotalPrice * GiamGia / 100), ref error))
{
showErr();
return;
}
}
ShowBill(IDTABLE);
LayBanaAn();
tbxvoucher.ResetText();
lbgiamgia.Text = "0%";
GiamGia = 0;
voucher = null;
MessageBox.Show("Thanh toán thành công!", "Sucess!", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
