ADO Net C# Tutorial

using System;
using System.Data;            
using System.Data.SqlClient;  
class Program {
    static void Main(string[] args) {
        SqlConnection thisConnection = new SqlConnection(
            @"Server=(local)\sqlexpress;Integrated Security=True;" +
            "Database=northwind");
        thisConnection.Open();
        SqlCommand thisCommand = thisConnection.CreateCommand();
        thisCommand.CommandType = CommandType.StoredProcedure;
        thisCommand.CommandText = "Ten Most Expensive Products";
        SqlDataReader thisReader = thisCommand.ExecuteReader();
        while (thisReader.Read()) {
            Console.WriteLine("\t{0}\t{1}",
            thisReader["TenMostExpensiveProducts"], thisReader["UnitPrice"]);
        }
        thisReader.Close();
        thisConnection.Close();
    }
}