private void detach_PhieuGiaoHangs(PhieuGiaoHang entity) { this.SendPropertyChanging(); entity.DonDatHang = null; }
partial void UpdatePhieuGiaoHang(PhieuGiaoHang instance);
partial void DeletePhieuGiaoHang(PhieuGiaoHang instance);
partial void InsertPhieuGiaoHang(PhieuGiaoHang instance);