connect access DB with c#

using System.Data;
using System.Data.OleDb;

public void Accessdata()
{
    System.Data.OleDb.OleDbConnection conn = 
                                     new System.Data.OleDb.OleDbConnection();

    conn.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;" +
        @"Data source= C:\Documents and Settings\username\" +
        @"My Documents\AccessFile.mdb"; // connection string 
    try
    {
        conn.Open();
        // Insert code for operations.
    }
        catch (Exception ex)
    {
        MessageBox.Show("Failed to connect to data source");
    }
    finally
    {
        conn.Close();
    }