老李大叔

 1  using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 
 6 namespace ASCII
 7 {
 8     class Program
 9     {
10         static void Main(string[] args)
11         {
12             Console.WriteLine("字母\tASCII");
13             for (char i = 'A'; i <= 'z'; i++)
14             {
15                 if (((i >= 'a') && (i <= 'z'))|| ((i >= 'A') && (i <= 'Z')))
16                 {
17                     Console.WriteLine("{0}\t{1}", i, Convert.ToInt32(i));   
18                 }
19                 
20             }
21             Console.ReadKey();
22         }
23     }
24 }