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    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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  • 原文地址:https://www.cnblogs.com/houweidong/p/4185052.html
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