private void detach_diqu_quXian(diqu_quXian entity) { this.SendPropertyChanging(); entity.diqu_chengShi = null; }
partial void Updatediqu_quXian(diqu_quXian instance);
partial void Deletediqu_quXian(diqu_quXian instance);
partial void Insertdiqu_quXian(diqu_quXian instance);