public ActionResult Index()
        {
            var commonInfo    = LocationDAO.GetCommonInfoByID("commoninfo");
            var lstBrand      = BrandModel.GetAllBrand();
            var lstPhoneModel = new List <PhoneModelBO>();

            foreach (var item in lstBrand)
            {
                var result = BrandModel.GetPhoneModelByBrandID(item.id);
                if (result != null)
                {
                    lstPhoneModel.AddRange(result);
                }
            }
            ViewBag.ListBrand  = lstBrand;
            ViewBag.ListModel  = lstPhoneModel;
            ViewBag.CommonInfo = commonInfo;

            return(View());
        }