productlist.aspx.cs

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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;
using System.Data.SqlClient;
public partial class productlist : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        fenye();
        string mysql = "select * from leibiex where classxid='" + Request.QueryString["id"] + "'";
        SqlDataReader dr = Class1.sqrea(mysql);
        if (dr.Read())
        {
            Label3.Text = dr["classid"].ToString();
        }
        if (DataList1.Items.Count == 0)
        {
            Label4.Visible = true;
            Label4.Text = "暂时没有相关的数据";
        }
    }
    public void fenye()
    {
        string mysqlba = "SELECT * from product WHERE classxid ='" + Request.QueryString["id"] + "'";
        DataView dv = Class1.gd(mysqlba).Tables[0].DefaultView;
        PagedDataSource pds = new PagedDataSource();

        AspNetPager1.RecordCount = dv.Count;
        pds.DataSource = dv;
        pds.AllowPaging = true;
        pds.CurrentPageIndex = AspNetPager1.CurrentPageIndex - 1;
        pds.PageSize = AspNetPager1.PageSize;
        this.DataList1.DataSource = pds;
        this.DataList1.DataBind();


    }
    protected void AspNetPager1_PageChanged(object sender, EventArgs e)
    {
        fenye();
    }
    protected void DataList1_ItemDataBound(object sender, DataListItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {

            LinkButton lik = (LinkButton)e.Item.FindControl("LinkButton1");
            lik.Text = @"<img src='images/buy.gif' border='0'>";
        }

    }
    protected void DataList1_ItemCommand(object source, DataListCommandEventArgs e)
    {