public JsonResult Products(ShoppingCartModel model)
 {
     try
     {
         List <ProductsModel> products = model.getProducts();
         return(Json(new { Result = "OK", Records = products }, JsonRequestBehavior.AllowGet));
     }
     catch (Exception ex)
     {
         return(Json(new { Result = "OK", Message = ex.Message }));
     }
 }