//
        // GET: /Cars/

        public ActionResult Index()
        {
            MongoCursor <Car> carsInDbCursor = CarRentalContext.Cars.FindAll();

            /* LINQ example
             * IEnumerable<Car> cars = carsInDbCursor.AsQueryable().Where(c => c.NumberOfDoors > 3); */
            IMongoSortBy sortByCars = SortBy <Car> .Descending(c => c.Make);

            carsInDbCursor.SetSortOrder(sortByCars);
            AggregateExamples();
            return(View(carsInDbCursor.ConvertAllToViewModels()));
        }