Usercontrol/CommentPage.ascx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;


public partial class Usercontrol_CommentPage : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string id = Request["id"];
        
        if (!IsPostBack)
        {
            NewMethod(id);

        }

    }

    private void NewMethod(string id)
    {
        DAL.DataAccess.DatalistBang(string.Format("SELECT     WenJu.Id, WenJu.Name, WenJu.Price, WenJu.Introduction, Categories.Name AS Expr2, WenJu.Review, WenJu.ISBN FROM    WenJu INNER JOIN Categories ON WenJu.CategoriesId = Categories.Id Where WenJu.Id='{0}'", id), DataList1);
    }
    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {

    }
    protected void DataList1_ItemCommand(object source, DataListCommandEventArgs e)
    {
        string GoodsId = ((Label)e.Item.FindControl("Label9")).Text;//获取当前的DataLIst中所需属性的值
        string views = ((Label)e.Item.FindControl("Label11")).Text;
        ShoppingCar cookieCart = new ShoppingCar();
        ShoppingItem shopitem = new ShoppingItem();
        DataBaseShoppingCar datacar = new DataBaseShoppingCar();
        shopitem.Id = Int64.Parse(GoodsId);
        shopitem.Name = ((Label)e.Item.FindControl("Label1")).Text;
        shopitem.Price = double.Parse(((Label)e.Item.FindControl("Label4")).Text);
        shopitem.Quantity = 1;

        if (e.CommandName == "Buying")
        {
            if (Session["Name"] == null)
            {
                cookieCart.add(shopitem);
                e.Item.FindControl("Label10").Visible = true;
            }
            else
            {
                datacar.add(shopitem.Id.ToString(), Session["UserId"].ToString(), shopitem.Quantity.ToString());

                Response.Redirect("~/ShoppingCar/ShoppingCar.aspx");
            }
        }
        if (e.CommandName == "pinglun")
        {
            if (Session["Name"] == null)
            {