partial void DeletetbChiTietHoaDon(tbChiTietHoaDon instance);
partial void UpdatetbChiTietHoaDon(tbChiTietHoaDon instance);
private void detach_tbChiTietHoaDons(tbChiTietHoaDon entity) { this.SendPropertyChanging(); entity.tbHoaDon = null; }
partial void InserttbChiTietHoaDon(tbChiTietHoaDon instance);
private void attach_tbChiTietHoaDons(tbChiTietHoaDon entity) { this.SendPropertyChanging(); entity.tbDichVu = this; }