partial void DeleteAsignatura(Asignatura instance);
partial void UpdateAsignatura(Asignatura instance);
private void detach_Asignaturas(Asignatura entity)
{
this.SendPropertyChanging("Asignaturas");
entity.Alumno = null;
}
partial void InsertAsignatura(Asignatura instance);
private void attach_Asignaturas(Asignatura entity)
{
this.SendPropertyChanging("Asignaturas");
entity.Materia = this;
}