partial void DeleteNovieRoom_Sell(NovieRoom_Sell instance);
 private void detach_NovieRoom_Sell(NovieRoom_Sell entity)
 {
     this.SendPropertyChanging();
     entity.MovieRoom_Cell = null;
 }
 partial void UpdateNovieRoom_Sell(NovieRoom_Sell instance);
 partial void InsertNovieRoom_Sell(NovieRoom_Sell instance);