using System;

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.OleDb;

public partial class _Default : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

            //GridView1.DataSource = bind();

            //GridView1.DataBind();

            GridView1.DataSource = bindtable();

            GridView1.DataBind();

        }

    }

    private DataSet bind()

    {

        OleDbConnection conn = new OleDbConnection("provider=Microsoft.jet.oledb.4.0;data source=|datadirectory|fazhi.mdb");

        OleDbCommand comm = new OleDbCommand("select * from pa", conn);

        OleDbDataAdapter database = new OleDbDataAdapter(comm);

        DataSet ds = new DataSet();

        conn.Open();

        database.Fill(ds);

        return ds;

    }

    private DataTable bindtable()

    {

        OleDbConnection conn = new OleDbConnection("provider=Microsoft.jet.oledb.4.0;data source=|datadirectory|fazhi.mdb");

        conn.Open();

        OleDbCommand cmd = new OleDbCommand("select * from pa order by id desc", conn);

        OleDbDataReader sdr = cmd.ExecuteReader(CommandBehavior.CloseConnection);

        DataTable dt = new DataTable();

        dt.Load(sdr);

        return dt;

        conn.Close();

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        OleDbConnection conn = new OleDbConnection("provider=Microsoft.jet.oledb.4.0;data source=|datadirectory|fazhi.mdb");

        conn.Open();

        OleDbCommand cmd = new OleDbCommand("insert into pa(xxmc) values(‘" + TextBox1.Text + "‘)", conn);

        cmd.ExecuteNonQuery();

        OleDbCommand comm = new OleDbCommand("select * from pa order by id desc",conn);

        OleDbDataReader sdr = comm.ExecuteReader(CommandBehavior.CloseConnection);

        DataTable dt = new DataTable();

        dt.Load(sdr);

        GridView1.DataSource = dt;

        GridView1.DataBind();

        conn.Close();

    }

}

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