private void attach_Phongs(Phong entity) { this.SendPropertyChanging(); entity.Khoa = this; }
partial void DeletePhong(Phong instance);
partial void InsertPhong(Phong instance);
partial void UpdatePhong(Phong instance);
private void detach_Phongs(Phong entity) { this.SendPropertyChanging(); entity.Khoa = null; }