WebUI/AdminM/Sys/Demo.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;

namespace WebUI.AdminM.back
{
    public partial class Demo : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {



            DataTable dt = new DataTable();
            dt.Columns.AddRange(new DataColumn[] {
               new DataColumn("id"),
               new DataColumn("name")
            });

            for (int i = 0; i < 4; i++)
            {
                DataRow dr =dt.NewRow();
                dr["id"]=i+1;
                dr["name"]="aa"+new Random().Next(100);
                dt.Rows.Add(dr);
            }

            GridView1.DataSource= dt;
            GridView1.DataBind(); 

        }
    }
}