private void detach_ChiTietDonHangs(ChiTietDonHang entity) { this.SendPropertyChanging(); entity.DonDatHang = null; }
partial void UpdateChiTietDonHang(ChiTietDonHang instance);
partial void DeleteChiTietDonHang(ChiTietDonHang instance);
partial void InsertChiTietDonHang(ChiTietDonHang instance);