private void detach_Person_Challenge(Person_Challenge entity) { this.SendPropertyChanging(); entity.Challenge = null; }
partial void DeletePerson_Challenge(Person_Challenge instance);
partial void InsertPerson_Challenge(Person_Challenge instance);
partial void UpdatePerson_Challenge(Person_Challenge instance);
private void attach_Person_Challenge(Person_Challenge entity) { this.SendPropertyChanging(); entity.Person = this; }