Exemplo n.º 1
0
 //添加商品到购物车
 protected void BtnAddToCard_Click(object sender, EventArgs e)
 {
     if (Session["UserId"] != null)
     {
         int bid = int.Parse(Request.QueryString["Book_Id"].ToString());
         int uid = int.Parse(Session["UserId"].ToString());
         int qty = int.Parse(txtPurchaseQty.Text);
         //先判断购物车是否存在该商品,若不存在,则添加;存在,则提示已添加
         if (qty > 0 && qty <= 10)
         {
             if (!cartService.IsCartItemExist(bid, uid))
             {
                 var book = ProService.GetBookInfoByBookId(bid);
                 cartService.InsertIntoCartItem(uid, bid, book.BookName, decimal.Parse(book.ListPrice.ToString()), qty);
                 Response.Write("<script> alert('添加成功!')</script>");
                 Response.Write("<script>window.location.href='ProDetails.aspx?Book_Id=" + bid + "'</script>");
             }
             else
             {
                 lblAddCartMsg.Text = "你已经添加过该商品了!";
             }
         }
         else
         {
             lblAddCartMsg.Text = "购买数量必须大于0并且不能大于10!";
         }
     }
     else
     {
         Response.Redirect("Login.aspx");
     }
 }