public IActionResult ClassifyAndSort(string ploai, string sortorder, int?pagenumber) { ploai = ploai == "Nam" ? "Nam" : "Nữ"; pageNumber = pagenumber ?? 1; SanPhamBUS sanphambus = new SanPhamBUS(); List <SanPham> list = sanphambus.ClassifyAndSort(ploai, sortorder, pageSize, pageNumber); List <SanPham> tong = sanphambus.ClassifyAndSort(ploai, sortorder, pageSize); ViewBag.TrangHienTai = pageNumber; ViewBag.TongTrang = TongTrang(tong); ViewBag.TrangThai = "classifyandsort"; ViewBag.PhanLoai = ploai == "Nam" ? "Nam" : "Nu"; ViewBag.Sort = sortorder; List <HangSanPham> hang = ctx.HangSanPham.ToList(); ViewBag.Hang = hang; return(View("List", list)); }