ADO Net C# Tutorial

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 ="server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;";    
            con.Open();
            if (con.State == ConnectionState.Open)
            {
                Console.WriteLine("SqlConnection Information:");
                Console.WriteLine("  Connection State = " + con.State);
                Console.WriteLine("  Connection String = " + con.ConnectionString);
                Console.WriteLine("  Database Source = " + con.DataSource);
                Console.WriteLine("  Database = " + con.Database);
                Console.WriteLine("  Server Version = " + con.ServerVersion);
                Console.WriteLine("  Workstation Id = " + con.WorkstationId);
                Console.WriteLine("  Timeout = " + con.ConnectionTimeout);
                Console.WriteLine("  Packet Size = " + con.PacketSize);
            }
            else
            {
                Console.WriteLine("SqlConnection failed to open.");
                Console.WriteLine("  Connection State = " + con.State);
            }
        }
    }
}
SqlConnection Information:
Connection State = Open
Connection String = server=(local)\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;
Database Source = (local)\SQLEXPRESS
Database = MyDatabase
Server Version = 09.00.1399
Workstation Id = RNTSOFT
Timeout = 15
Packet Size = 8000