private void detach_Chitietdonhangs(Chitietdonhang entity) { this.SendPropertyChanging(); entity.DonHang = null; }
partial void DeleteChitietdonhang(Chitietdonhang instance);
partial void InsertChitietdonhang(Chitietdonhang instance);
partial void UpdateChitietdonhang(Chitietdonhang instance);
private void attach_Chitietdonhangs(Chitietdonhang entity) { this.SendPropertyChanging(); entity.SanPham = this; }