public ActionResult ShowRouteDate()
        {
            IEnumerable <RouteDateDTO> routeDateDtos = _routeDateService.GetRouteDates();
            var mapper = new MapperConfiguration(cfg => cfg.CreateMap <RouteDateDTO, RouteDateViewModel>()).CreateMapper();
            var routes = mapper.Map <IEnumerable <RouteDateDTO>, List <RouteDateViewModel> >(routeDateDtos);

            return(View(routes));
        }