using System; using System.Data; using System.Data.SqlClient; using System.Data.OleDb; class MainClass { public static void Main() { using (SqlConnection con = new SqlConnection()) { con.ConnectionString = @"Data Source=.sqlexpress;Database=Northwind;Integrated Security=SSPI"; con.Open(); if (con.State == ConnectionState.Open) { Console.WriteLine(" Workstation Id = " + con.WorkstationId); } else { Console.WriteLine("SqlConnection failed to open."); Console.WriteLine(" Connection State = " + con.State); } } } }