public int CarsCount()
        {
            DealershipEntities db   = new DealershipEntities();
            List <Car>         Cars = db.Cars.ToList();
            int carcount            = Cars.Count();

            return(carcount);
        }
        public List <Car> Make(string make)
        {
            DealershipEntities db          = new DealershipEntities();
            List <Car>         Cars        = db.Cars.ToList();
            List <Car>         CarMakeList = (from p in db.Cars
                                              where p.Make.Contains(make)
                                              select p).ToList();

            return(CarMakeList);
        }
        public List <Car> Color(string color)
        {
            DealershipEntities db            = new DealershipEntities();
            List <Car>         Cars          = db.Cars.ToList();
            List <Car>         CarWColorList = (from p in db.Cars
                                                where p.Color.Contains(color)
                                                select p).ToList();

            return(CarWColorList);
        }
        public List <Car> Year(int?year)
        {
            DealershipEntities db          = new DealershipEntities();
            List <Car>         Cars        = db.Cars.ToList();
            List <Car>         CarYearList = (from p in db.Cars
                                              where p.Year == year
                                              select p).ToList();

            return(CarYearList);
        }
        public List <Car> Car(int?id)
        {
            DealershipEntities db = new DealershipEntities();

            List <Car> CarIDList = new List <Car>();

            try
            {
                List <Car> Cars = db.Cars.ToList();
                CarIDList = (from p in db.Cars
                             where p.ID == id
                             select p).ToList();
            }
            catch
            {
                Exception e;
            }

            return(CarIDList);
        }