这是一个ASP.net购物车的代码程序.
    using System;
    using System.Data;
    using System.Configuration;
    using System.Collections;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;

    public partial class cart : System.Web.UI.Page
    {
        public MyDb dd = new MyDb();
        public string AddProID;
        protected string RefreshID;
      //  public string total;
        protected void Page_Load(object sender, EventArgs e)
        {

                if (!Page.IsPostBack)
                {
                    //if (RefreshID == "")
                    //{
                    //    RefreshID =System.DateTime.Now.Ticks.ToString();
                    /