using System;

using System.Windows.Forms;

using System.Data;

using System.Data.OleDb; 



namespace WindowsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            string connetionString = null;

            OleDbConnection oledbCnn ;

            OleDbDataAdapter oledbAdapter ;

            DataSet ds = new DataSet();

            string sql = null;

            int i = 0;



            connetionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Your mdb filename;";

            sql = "Your SQL Statement Here like Select * from product"; 



            oledbCnn = new OleDbConnection(connetionString);

            try

            {

                oledbCnn.Open();

                oledbAdapter = new OleDbDataAdapter(sql, oledbCnn);

                oledbAdapter.Fill(ds);

                for (i = 0; i <= ds.Tables[0].Rows.Count - 1; i++)

                {

                    MessageBox.Show(ds.Tables[0].Rows[i].ItemArray[0] + " -- " + ds.Tables[0].Rows[i].ItemArray[1]);

                }

                oledbAdapter.Dispose();

                oledbCnn.Close();

            }

            catch (Exception ex)

            {

                MessageBox.Show("Can not open connection ! ");

            }

        }

    }

}