private void detach_PersonPhone(PersonPhone entity)
 {
     this.SendPropertyChanging();
     entity.Person = null;
 }
 private void attach_PersonPhone(PersonPhone entity)
 {
     this.SendPropertyChanging();
     entity.Person = this;
 }
 partial void UpdatePersonPhone(PersonPhone instance);
 partial void DeletePersonPhone(PersonPhone instance);
 partial void InsertPersonPhone(PersonPhone instance);