public async Task <HttpResponseMessage> GetAllRooms()
        {
            GetFloorAndRooms getFloorAndRooms = new GetFloorAndRooms();
            IList <Room>     roomList         = getFloorAndRooms.GetAllRooms(System.Configuration.ConfigurationManager.AppSettings["Connection"]);

            return(Request.CreateResponse(HttpStatusCode.OK, roomList));
        }