Admin1/3uTeacherManage3.aspx.cs

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using System;
using System.Data;
using System.Configuration;
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;
using System.IO;
using System.Text;
public partial class user_uInfoManage3 : System.Web.UI.Page
{
    string sql;

    SqlOperate sqloperate = new SqlOperate();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["MName"] == null)
        {
            Class1.AlertShow("请先登录系统！", "../Login.aspx");
            return;
        }
       
           
        if (!IsPostBack)
        {

            string sql = "select a1,a5,id from tb_Customer ";

            ddlCondition.DataSource = Class1.ExecSel(sql); 
            ddlCondition.DataTextField = "a1"; //dropdownlist的Text的字段
            ddlCondition.DataValueField = "id";//dropdownlist的Value的字段
            ddlCondition.DataBind(); 

            list_bind(); 
        } 

    }
 
    private void list_bind()
    {
        
        

        SqlConnection conn = Class1.DBconnection();
        conn.Open();
        sql = "select * from tb_Room order by Data desc";
        SqlDataAdapter da = new SqlDataAdapter(sql, conn);
        DataSet ds = new DataSet();
        da.Fill(ds);
        DataTable dt = ds.Tables[0];


       
        if (dt.Rows.Count > 0)
        {
            PagedDataSource pds = new PagedDataSource();
            pds.DataSource = ds.Tables[0].DefaultView;