void luuHoaDon()
{
if (lblTenKH.Text == "Khách lẻ" && Convert.ToInt32(txtNolai.Text) > 0)
{
MessageBox.Show("Khách lẻ không cho nợ !");
}
else
{
using (DataBanHang data = new DataBanHang())
{
HoaDonBanHang hdbh = new HoaDonBanHang();
var a = data.HoaDonBanHangs.Max(d => d.MaHDB);
hdbh.MaHDB = a + 1;
hdbh.KhachHang = Convert.ToInt32(lblMakh.Text);
hdbh.NhanVienLap = 9;
hdbh.NgayLap = Convert.ToDateTime(DateTime.Now.ToString("dd/MM/yyyy"));
hdbh.CK = Convert.ToInt32(txtCk.Text);
hdbh.NoCu = Convert.ToInt32(txtNocu.Text);
hdbh.TienTra = Convert.ToInt32(txtKhachtra.Text);
hdbh.GhiChu = txtGhichu.Text;
hdbh.TinhTrang = true;
data.HoaDonBanHangs.InsertOnSubmit(hdbh);
foreach (CTHDBanHangDTO item in mangCTHD)
{
CTHDBanHang cthdbh = new CTHDBanHang();
cthdbh.MaHDB = hdbh.MaHDB;
cthdbh.SanPham = item.SanPham;
cthdbh.SL = item.Sl;
cthdbh.TinhTrang = true;
cthdbh.DonGia = Convert.ToDouble(item.DonGia);
data.CTHDBanHangs.InsertOnSubmit(cthdbh);
data.SubmitChanges();
}
foreach (CTHDBanHangDTO item in mangCTHD)
{
CTHDBanHang cthdbh = new CTHDBanHang();
HangHoa hh = data.HangHoas.Where(d => d.MaHH.Equals(item.SanPham)).FirstOrDefault();
hh.SoLuong = hh.SoLuong - item.Sl;
//sau khi thanh toán thành công thì phải xét lại sl trong bảng hóa đơn hoặc reset bảng hóa đơn
data.SubmitChanges();
}
KhachHang kh = data.KhachHangs.Where(d => d.MaKH.Equals(lblMakh.Text)).SingleOrDefault();
kh.SoNo = Convert.ToInt32(txtNolai.Text);
data.SubmitChanges();
MessageBox.Show("Lưu Thành Công !");
this.Close();
resetHoaDon();
}
}
}
partial void DeleteCTHDBanHang(CTHDBanHang instance);
partial void UpdateCTHDBanHang(CTHDBanHang instance);
partial void InsertCTHDBanHang(CTHDBanHang instance);