@RequestMapping(value="/{tripID}/editTravelTripForm", method=RequestMethod.GET)
    public String ediTravelTripForm(@PathVariable("tripID") String tripID, Model model){       
        
        TravelTrip tempTravelTrip = travelTripService.findById(Integer.parseInt(tripID));
 
        if(tempTravelTrip == null){
            return "index";
        }
 
        model.addAttribute("editTravelTrip", tempTravelTrip);
 
        return "/editTravelTrip";
    }