using System.Collections.Generic; using System.Text; namespace AsciiEncodingDemo {     class Program     {         static void Main(string[] args)         {             ASCIIEncoding myAscii = new ASCIIEncoding();             string unicodeStr = "ASCII Encoding Demo";             Console.WriteLine(unicodeStr);             //下面的代码将对unicodeStr字符串的内容进行编码。             Byte[] encodeBytes = myAscii.GetBytes(unicodeStr);             Console.WriteLine("编码后的字符串：");             foreach (byte c in encodeBytes)             {                 Console.Write("[{0}]", c);             }             Console.WriteLine("");             Console.WriteLine("解码后的字符串：");             //下面的语句将对encodeBytes字节数组的内容进行解码             string decodeStr = myAscii.GetString(encodeBytes);             Console.WriteLine(decodeStr);             Console.ReadLine();                  }     } }