public IHttpActionResult PostBooking(Booking booking)
        {
            DALServiceGateway<Booking> gate = new DALServiceGateway<Booking>();

            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            gate.PostItems("api/Booking/", booking);
            return CreatedAtRoute("DefaultApi", new { id = booking.Id }, booking);
        }
        public IHttpActionResult PostHomePic(HomePic homePic)
        {
            DALServiceGateway<HomePic> gate = new DALServiceGateway<HomePic>();

            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            gate.PostItems("api/HomePics/",homePic);
            return CreatedAtRoute("DefaultApi", new { id = homePic.Id }, homePic);
        }
        public IHttpActionResult PostMenu(Menu menu)
        {
            DALServiceGateway<Menu> gate = new DALServiceGateway<Menu>();

            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            gate.PostItems("api/Menu/", menu);
            return CreatedAtRoute("DefaultApi", new { id = menu.Id }, menu);
        }
        public IHttpActionResult PostFood(Food food)
        {
            DALServiceGateway<Food> gate = new DALServiceGateway<Food>();

            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            gate.PostItems("api/Food/", food);
            return CreatedAtRoute("DefaultApi", new { id = food.Id }, food);
        }