public ActionResult Index()
        {
            if (Session["modules"] != null)
            {
                List <ModuleDetails> md  = Session["modules"] as List <ModuleDetails>;
                ModuleDetails        md1 = md.Find(x => x.Module.Equals("Point of Sale"));
                ViewBag.Create = md1.Create;
                ViewBag.Edit   = md1.Edit;
                ViewBag.Delete = md1.Delete;
            }
            List <Stocks>  stocks  = po.getAllStocks();
            List <Product> product = po.getAllProducts();

            model.products = product;
            model.stocks   = stocks;
            return(View(model));
        }