Пример #1
0
 protected void Page_Load(object sender, EventArgs e)
 {
     if (Session["UserId"] != null)
     {
         int uid = int.Parse(Session["UserId"].ToString());
         lblTotalPrice.Text = TotalPrice(uid).ToString();
         //判断该用户的购物车是否为空
         if (!cartService.IsCartItemEmptyByUserId(uid))
         {
             BtnClearAll.OnClientClick = "return confirm('确定要清空购物车吗?');";
             gvShopCart.DataSourceID   = "LinqCartItem";
             LinqCartItem.Where        = "UserId == " + uid;
         }
         else
         {
             lblPageCountMsg.Text = "";
             lblNullMsg.Text      = "当前购物车空空如也~~~快去添加点东西吧!";
             //      gvShopCart.Visible = false;
             lblTotalPrice.Text    = "0.00";
             BtnAddToOrder.Enabled = false;
             BtnClearAll.Enabled   = false;
         }
     }
     else
     {
         Response.Redirect("Login.aspx");
     }
 }