using System;

using System.Net;

public class Program

{

    public static void Main()

    {

        WebClient web = new WebClient();

        System.IO.Stream stream = web.OpenRead("https://www.ietf.org/rfc/rfc3986.txt");

​

        using (System.IO.StreamReader reader = new System.IO.StreamReader(stream))

        {

            while (!reader.EndOfStream) 

            {

                string text = reader.ReadLine();

                Console.WriteLine(text);

            }

        }

    }

}