// GET: LibraryItem
        public ActionResult Index(string sortOrder)
        {
            ViewBag.CategorySortParm = String.IsNullOrEmpty(sortOrder) ? "categoryName_desc" : "";
            ViewBag.TypeSortParm     = sortOrder == "Type" ? "type_desc" : "Type";

            var libraryItems = db.LibraryItem.Include(l => l.Category);

            libraryItems = SwitchHelper.SortOrder(sortOrder, libraryItems);
            var size = libraryItems.Count();

            string[] acronyms = new string[size];

            var libraryItemsList = libraryItems.ToList();

            acronyms = StringHelper.CreateAccronyms(acronyms, libraryItemsList, size);

            var viewModel = new ViewModel {
                listOfLibraryItems = libraryItemsList, titleAcronyms = acronyms
            };

            return(View(viewModel));
        }