// GET: Product
        public ActionResult Index(string searchString)
        {
            ProductLModel    viewModel     = new ProductLModel();
            ProductViewModel productViewer = new ProductViewModel(this, viewModel);

            viewModel = productViewer.Build();
            var ProductRes = viewModel.ProductList;

            if (!String.IsNullOrEmpty(searchString))
            {
                viewModel.ProductList = ProductRes.Where(str => str.Name5.IndexOf(searchString, StringComparison.OrdinalIgnoreCase) >= 0);
            }
            return(View(viewModel));
        }