private void detach_tbProfessors(tbProfessor entity)
		{
			this.SendPropertyChanging();
			entity.tbCurso = null;
		}
 partial void UpdatetbProfessor(tbProfessor instance);
 partial void DeletetbProfessor(tbProfessor instance);
 partial void InserttbProfessor(tbProfessor instance);