public IHttpActionResult DeleteCarFleet(int carFleetID)
        {
            CarsLogic cars   = new CarsLogic();
            var       result = cars.DeleteCarFleet(carFleetID);

            if (result == 1)//there are no orders for this carID
            {
                return(Ok(result));
            }
            else
            {
                return(NotFound());
            }
        }