public ActionResult List(string cid,string page) { int categoryId = 0; int pageIndex = 1; int pageSize = 15; int.TryParse(cid, out categoryId); if (!string.IsNullOrEmpty(page)) { int.TryParse(page,out pageIndex); } ShopManager manager=new ShopManager(null); int total = 0; List<Product> pdts = manager.GetProducts(categoryId, pageIndex, pageSize, out total); ViewBag.cid = categoryId; ViewBag.total = total; ViewBag.pageSize = pageSize; ViewBag.page = pageIndex; return View(pdts); }