program.cs

C#2.0宝典源码,C#经典书籍,很多例子

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

namespace Example10_20 {
    class Program {
        static void Main(string[] args) {
            object a = 0;
            string s = a as string;

            //判断转换结果
            if (s != null) {
                Console.WriteLine(a);
            } else {
                Console.WriteLine("a不可以被转换为字符串！");
            }
            Console.ReadLine();
        }
    }
}