public ActionResult Index()
        {
            DashboardViewModel model = new DashboardViewModel();
            int number = categoriesService.GetAllNumberCategories();

            model.TotalUsers      = userService.GetAllNumberUser();
            model.TotalAuctions   = auctionsService.GetAllNumberAuctions();
            model.TotalCategories = number;
            return(View(model));
        }