// PUT: api/Employees/5

        public IHttpActionResult PutHotelReservation(HotelReservation hotelReservation)
        {
            //ModelState["hotelReservation.CreatedBy"].Errors.Clear();
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            try
            {
                _hotelReservationService.UpdateHotelReservation(hotelReservation);
            }
            catch (Exception ex)
            {
                return(BadRequest(ex.Message));
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }