public ActionResult SearchOnePage(int?minStock, int?maxStock) { if (minStock == null && maxStock == null) { return(View(new SearchResultsViewModel())); } NorthwindManager mgr = new NorthwindManager(Properties.Settings.Default.ConStr); IEnumerable <Product> products = mgr.SearchByStock(minStock, maxStock); SearchResultsViewModel vm = new SearchResultsViewModel { Products = products, MinStock = minStock, MaxStock = maxStock }; return(View(vm)); }