void ThemMoi()
{
DataRow row = ctrl.NewRow();
row["MaHoaDon"] = txtMaHoaDon.Text;
row["NhanVienLap"] = txtTenNhanVien.Text;
row["MaKhachHang"] = cmbTenKhachHang.SelectedValue;
row["MaNhanPhong"] = cmbMaNhanPhong.SelectedValue;
row["TongTien"] = txtTongTien.Text;
row["NgayLap"] = dateNgaylap.Value.Date;
ctrl.Add(row);
HoaDonControl hdctrl = new HoaDonControl();
if (hdctrl.LayHoaDon(txtMaHoaDon.Text) != null)
{
MessageBox.Show("Mã hóa đơn này đã tồn tại !", "Hoa Don", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (ThamSo.LaSoNguyen(txtMaHoaDon.Text))
{
long so = Convert.ToInt64(txtMaHoaDon.Text);
if (so >= ThamSo.LayHoaDon())
{
ThamSo.GanHoaDon(so + 1);
}
}
ctrl.Update();
DataTable tblCTHD = (DataTable)bindingNavigator1.BindingSource.DataSource;
ctctrl.Update();
ctrl.Save();
ctctrl.Save();
khctrl.Save();
pnctrl.Save();
}
