myOrder.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.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml.Linq;
using System.Data.SqlClient;

namespace 网上订餐系统
{
    public partial class myOrder : System.Web.UI.Page
    {
     
        protected void Page_Load(object sender, EventArgs e)
        {
          
           
          if  (Session["UID"] == null)
            {
                Response.Write("<script>alert('请先登录！');window.location.href='Default.aspx';</script>");
            }
            else
            {
                SqlServer db = new SqlServer();
                db.SQL = "select 订单ID from 订单表 where 用户ID=" + "'" + int.Parse(Session["UID"].ToString()) + "'";
                SqlDataReader sdr = db.ExcuteReader();
                string condition = "";
                while(sdr.Read())
                {
                    condition = "订单ID=" + "'" + sdr["订单ID"] + "'" + " or " + condition;
                }



                int page;
                int.TryParse(Request.QueryString["p"], out page);
                if (page <= 0)
                {
                    page = 1;
                }
                int recordCount;
                    sdr.Close();
                    condition = condition + "1!=1";
                    DataTable dt = db.GetPagingInfo(" 订单条目", "*", condition, "订单ID DESC", page, this.PagingBar1.PageSize, out recordCount);
          
                    this.rptList.DataSource = dt;
                    rptList.DataBind();
                    this.PagingBar1.CurrentPage = page;
                    this.PagingBar1.RecordCount = recordCount;
            
               

            }