using System;

using System.Numerics;

​

public class Program

{

    public static void Main()

    {

        var g = Guid.NewGuid();

        var i = System.Text.Encoding.ASCII.GetString(g.ToByteArray()).ToCharArray();

        var j = (Guid)g;

        Console.WriteLine(g.ToString());

        Console.WriteLine( string.Join(",", i) );

        Console.WriteLine(j.ToString());

    }

}

​