Use OleDbCommand to load data from Access database mdb : Access « ADO.Net « C# / CSharp Tutorial

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

class MainClass
  static void Main(string[] args)
    string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\\Northwind.mdb";
    string SQL = "SELECT * FROM Orders";

    OleDbConnection conn = new OleDbConnection(ConnectionString);

    OleDbCommand cmd = new OleDbCommand(SQL);
    cmd.Connection = conn;


    OleDbDataReader reader = cmd.ExecuteReader();

    while (reader.Read()) 
      Console.Write("OrderID:"+reader.GetInt32(0).ToString() );
      Console.Write(" ,");
      Console.WriteLine("Customer:" + reader.GetString(1).ToString() );
OrderID:10330 ,Customer:LILAS
OrderID:10331 ,Customer:BONAP
OrderID:10332 ,Customer:MEREP
OrderID:10333 ,Customer:WARTH
OrderID:10334 ,Customer:VICTE

32.1.1.Connecting To Access
32.1.2.Use OleDbCommand to load data from Access database mdb
32.1.3.Read data from Access database
32.1.4.use an OleDbCommand object to read data from Access database
32.1.5.Connecting to a Microsoft Access Database
32.1.6.Connecting to a Password-Protected Microsoft Access Database