Use OdbcCommand to read data in Access database and fill the DataGrid

   
 

using System;
using System.Diagnostics;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.Odbc;


public class Form1 : System.Windows.Forms.Form {
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.DataGrid dataGrid1;
    private System.Windows.Forms.Button button2;
    public Form1() {
        this.button1 = new System.Windows.Forms.Button();
        this.dataGrid1 = new System.Windows.Forms.DataGrid();
        this.button2 = new System.Windows.Forms.Button();
        ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
        this.SuspendLayout();

        this.button1.Location = new System.Drawing.Point(8, 240);
        this.button1.Size = new System.Drawing.Size(104, 32);
        this.button1.Text = "Get Data From Biblio";
        this.button1.Click += new System.EventHandler(this.button1_Click);

        this.dataGrid1.DataMember = "";
        this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
        this.dataGrid1.Location = new System.Drawing.Point(8, 8);
        this.dataGrid1.Size = new System.Drawing.Size(280, 224);

        this.button2.Location = new System.Drawing.Point(120, 240);
        this.button2.Size = new System.Drawing.Size(152, 32);
        this.button2.Text = "Get Data From Access Northwind";
        this.button2.Click += new System.EventHandler(this.button2_Click);

        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(292, 273);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.button2,
                                                                          this.dataGrid1,
                                                                          this.button1});
        ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
        this.ResumeLayout(false);

    }
    [STAThread]
    static void Main() {
        Application.Run(new Form1());
    }

    private OdbcConnection cn;

    private void button1_Click(object sender, System.EventArgs e) {
        try {
            cn = new OdbcConnection("DRIVER={SQL Server};SERVER=.;uid=admin;pwd=pw;database=biblio");
            cn.Open();
            OdbcCommand sc = new OdbcCommand("SELECT title, price FROM titles WHERE title LIKE 'Hi%'", cn);
            OdbcDataAdapter da = new OdbcDataAdapter(sc);
            DataSet ds = new DataSet("TitlesDS");
            da.Fill(ds);
            dataGrid1.DataSource = ds.Tables[0];
        } catch (Exception ex) {
            Debug.WriteLine(ex.ToString());
        } finally {
            cn.Close();
        }
    }

    private void button2_Click(object sender, System.EventArgs e) {
        try {
            cn = new OdbcConnection(@"DRIVER={Microsoft Access Driver (*.mdb)};DBQ=c:NorthWind.mdb");
            cn.Open();
            OdbcCommand sc = new OdbcCommand("SELECT * from Employees", cn);
            OdbcDataAdapter da = new OdbcDataAdapter(sc);
            DataSet ds = new DataSet("TitlesDS");
            da.Fill(ds);
            dataGrid1.DataSource = ds.Tables[0];
        } catch (Exception ex) {
            MessageBox.Show("You probably need to change the file path to NorthWind.MDB used in the OdbcConnection Constructor
 or move a copy of the NorthWind.mdb to c:");
            Debug.WriteLine(ex.ToString());
        } finally {
            cn.Close();
        }
    }
}