partial void Deletetest_result(test_result instance);
partial void Updatetest_result(test_result instance);
private void detach_test_results(test_result entity) { this.SendPropertyChanging(); entity.test = null; }
partial void Inserttest_result(test_result instance);
private void attach_test_results(test_result entity) { this.SendPropertyChanging(); entity.test = this; }