Unicode To ASCII In C# (Lossy)

using System;
using System.Text;
using System.Web;

namespace Encodorama
{
    static class StringExtensions
    {
        public static string ToASCII(this string s)
        {
            return Encoding.ASCII.GetString (Encoding.Unicode.GetBytes (s));
        }
    }

    class MainClass
    {
        public static void Main (string[] args)
        {
            var s = HttpUtility.HtmlDecode ("† is a Unicode character representing a cross.");
            Console.WriteLine (s);
            Console.WriteLine (s.ToASCII ());
        }
    }
}