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;
}