public void Putavailable(int id)
        {
            CarListTable u = YRentDB.CarListTable.FirstOrDefault(f => f.Car_ID == id);

            if (u != null)
            {
                u.Available = (u.Available == 1)? 0 : 1;
                YRentDB.SaveChanges();
            }
        }
        // DELETE: api/MainCars/5
        public void Delete(int id)
        {
            CarListTable c = YRentDB.CarListTable.FirstOrDefault(c1 => c1.Car_ID == id);

            if (c != null)
            {
                YRentDB.CarListTable.Remove(c);
                YRentDB.SaveChanges();
            }
        }
        public void Put(int id, [FromBody] CarListTable u1)
        {
            CarListTable u = YRentDB.CarListTable.FirstOrDefault(f => f.Car_ID == id);

            if (u != null)
            {
                u.Car_Type_ID = u1.Car_Type_ID;
                u.Kilometer   = u1.Kilometer;
                u.Picture     = u1.Picture;
                u.Undamaged   = u1.Undamaged;
                u.Available   = u1.Available;
                u.Car_number  = u1.Car_number;
                u.Branch_ID   = u1.Branch_ID;
                YRentDB.SaveChanges();
            }
        }
 // POST: api/MainCars
 public void Post([FromBody] CarListTable c1)
 {
     YRentDB.CarListTable.Add(c1);
     YRentDB.SaveChanges();
 }