private void detach_chiTiet_HDBans(chiTiet_HDBan entity) { this.SendPropertyChanging(); entity.SanPham = null; }
partial void UpdatechiTiet_HDBan(chiTiet_HDBan instance);
partial void DeletechiTiet_HDBan(chiTiet_HDBan instance);
partial void InsertchiTiet_HDBan(chiTiet_HDBan instance);