partial void DeleteHOCSINH(HOCSINH instance);
partial void UpdateHOCSINH(HOCSINH instance);
private void detach_HOCSINHs(HOCSINH entity) { this.SendPropertyChanging(); entity.LOP = null; }
partial void InsertHOCSINH(HOCSINH instance);
private void attach_HOCSINHs(HOCSINH entity) { this.SendPropertyChanging(); entity.LOP = this; }