partial void DeleteBao(Bao instance);
partial void UpdateBao(Bao instance);
private void detach_Baos(Bao entity) { this.SendPropertyChanging(); entity.LoaiBao = null; }
partial void InsertBao(Bao instance);
private void attach_Baos(Bao entity) { this.SendPropertyChanging(); entity.LoaiBao = this; }