private void detach_Matricula(Matricula entity)
		{
			this.SendPropertyChanging();
			entity.Materia = null;
		}
		private void attach_Matricula(Matricula entity)
		{
			this.SendPropertyChanging();
			entity.Materia = this;
		}
 partial void UpdateMatricula(Matricula instance);
 partial void DeleteMatricula(Matricula instance);
 partial void InsertMatricula(Matricula instance);