C# (CSharp) Tour_point примеры использования

Пример #1

        public void EditTour_Point(int index, Tour_point tourPoint)
        {
            DirectorMain.CommitEdit();
            db.Tour_point.ToList()[index].Tour_ID = tourPoint.Tour_ID;
//            db.SaveChanges();
            db.Tour_point.ToList()[index].City     = tourPoint.City;
            db.Tour_point.ToList()[index].Tour_ID  = tourPoint.Tour_ID;
            db.Tour_point.ToList()[index].Hotel_ID = tourPoint.Hotel_ID;
            db.SaveChanges();
            DirectorMain.ClearGrid();
            DirectorMain.ConstructTour_PointGrid(db.Tour_point.ToList());
        }