public IActionResult Index() { ListingManager lm = new ListingManager(_connectionString); List <Item> items = lm.GetAllItems().OrderByDescending(d => d.Date).ToList(); if (HttpContext.Session.Get("List") != null) { string session = HttpContext.Session.Get("List").ToString(); List <string> SessionList = session.Split(',').ToList(); ListItemAndString l = new ListItemAndString { items = items, Session = SessionList }; return(View(l)); } else { ListItemAndString l = new ListItemAndString { items = items, Session = null }; return(View(l)); } }