private void detach_BasicEduSubjects(BasicEduSubject entity)
		{
			this.SendPropertyChanging();
			entity.BasicEdu = null;
		}
 partial void UpdateBasicEduSubject(BasicEduSubject instance);
 partial void DeleteBasicEduSubject(BasicEduSubject instance);
 partial void InsertBasicEduSubject(BasicEduSubject instance);