Set AttachDbFilename in connection string : SqlConnection « ADO.Net « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. ADO.Net
3. SqlConnection

using System;
using System.Data;
using System.Data.SqlClient;

  class Program
  {
    static void Main(string[] args)
    {
      SqlConnection thisConnection = new SqlConnection(
                @"Data Source=.\SQLEXPRESS;" +
                @"AttachDbFilename='NORTHWND.MDF';" +
                @"Integrated Security=True;Connect Timeout=30;User Instance=true");
      thisConnection.Open();
      SqlCommand thisCommand = thisConnection.CreateCommand();
      thisCommand.CommandText = "SELECT CustomerID, CompanyName from Customers";
      SqlDataReader thisReader = thisCommand.ExecuteReader();
      while (thisReader.Read())
      {
        Console.WriteLine("\t{0}\t{1}",
        thisReader["CustomerID"], thisReader["CompanyName"]);
      }
      thisReader.Close();
      thisConnection.Close();
    }
  }