DVD浏览与订购页面.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

public partial class DVD浏览与订购页面 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //获取dataset对象
            DataSet ds = PublicClass.returnDS("select * from DVDItemTB");
            //设置Datalist控件的数据源属性值
            DVDInfoDL.DataSource = ds;
            //将Datalist控件绑定到数据源上，实现数据显示
            DVDInfoDL.DataBind();
        }
    }
    protected void DVDInfoDL_ItemCommand(object source, DataListCommandEventArgs e)
    {
        if (e.CommandName == "detail")
        {
            //转向页面DVD详细信息展示页面.aspx并传递相应参数
            string DVDID = e.CommandArgument.ToString();
            Response.Write("<script>window.open('DVD详细信息展示页面.aspx?DVDID_Flow=" + DVDID + "','','width=898px,height=588px')</script>");
        }
        if (e.CommandName == "buy")
        {
            if (Session["UserID"] != null)
            {
                //转向页面购物车页面.aspx并传递相应参数
                string DVDID = e.CommandArgument.ToString();
                Response.Redirect("DVD购物车页面.aspx?DVDID_Flow=" + DVDID);
            }
            else
            {
                //提示用户需要首先进行登录
                Response.Write("<script>alert('请首先登录，然后再订购DVD影视商品，谢谢！');</script>");
            }
        }
    }
}