public ActionResult Index(string folderId, int?sortName) { if (sortName != null) { if (sortName == 1) { ViewBag.sortName = 2; return(View(dataGateway.SelectAll(folderId).OrderBy(f => f.name))); } ViewBag.sortName = 1; return(View(dataGateway.SelectAll(folderId).OrderByDescending(f => f.name))); } return(View(dataGateway.SelectAll(folderId))); }