汉字转16进制ASCII码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace TestConsole
{
    class Program
    {
        static void Main(string[] args)
        {
            byte[] b = ASCIIEncoding.Default.GetBytes("阿");
            foreach (var s in b)
            {
                Console.WriteLine(Convert.ToString(s,16));
            }
            Console.ReadLine();
        }
    }
}