MyBookShop/BookShop/Store/cart.aspx.cs

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using BookShop.Store.cart;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using BLL;
using Model;

namespace BookShopProject.Store
{
    public partial class cart : System.Web.UI.Page
    {
        /// <summary>
        /// 实例化BLLOrderBook类
        /// </summary>
        BLLOrderBook bllorderbook = new BLLOrderBook();
        /// <summary>
        /// 实例化BLLOrders类
        /// </summary>
        BLLOrders bllorder = new BLLOrders();
        /// <summary>
        /// 定义我的购物车集合
        /// </summary>
        public static List<Carts> mycarts { get; set; }
        /// <summary>
        /// 表示购物车总价格
        /// </summary>
        public static decimal totalPrice = 0;
        /// <summary>
        /// 窗体加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                ShowData();
            }
           
        }
        /// <summary>
        /// 加载数据
        /// </summary>
        public void ShowData()
        {
            if (Session["Carts"] != null)
            {
                mycarts = (List<Carts>)Session["Carts"];
                if (mycarts.Count == 0)
                {
                    showNoGoods.Style["display"] = "block";
                    showChechout.Style["display"] = "none";
                    lbCheckOut.Style["display"] = "none";
                    reCartsList.Visible = false;
                }
                else