public static int add(HoaDonNXB hoadon)
{
try
{
using (EntitiesDataContext db = new EntitiesDataContext())
{
var hd = new HOADONNXB
{
masonxb = hoadon.MaSoNXB,
ngaylap = hoadon.NgayLap,
tongtien = hoadon.ChiTiet.Sum(ct => ct.SoLuong * ct.DonGia),
trangthai = 0
};
db.HOADONNXBs.InsertOnSubmit(hd);
db.SubmitChanges();
foreach (ChiTietHoaDonNXB ct in hoadon.ChiTiet)
{
ChiTiet.add(ct, hd.masohoadon);
}
return(hd.masohoadon);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return(0);
}
}
