Decode\Encode

using System;
using System.Text;

public class Program
{
    public static void Main()
    {
        // String
        String s = "Hi there.";

        // Encoding object
        Encoding encodingUTF8 = Encoding.UTF8;

        // Encode string to byte array
        Byte[] encodedBytes = encodingUTF8.GetBytes(s);
        Console.WriteLine("Encoded bytes: " +
                          BitConverter.ToString(encodedBytes));

        // Decode to string
        String decodedString = encodingUTF8.GetString(encodedBytes);
        Console.WriteLine("Decoded string: " + decodedString);
    }
}