以下是引用c1_wangyf在2010-10-24 21:29:37的发言：

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
           string a="1,2,a,!,WW,99";
           string[] charsa=new string[]{","};
           string[] temp = a.Split(charsa,StringSplitOptions.None);
           int n = 0;
           string s = "";
           for (int i = 0; i < temp.Length; i++)
           {
               try{
                  int te= Convert.ToInt16(temp);
               }
               catch(Exception ex)
               {
                   s += temp+",";  //捕捉到异常的情况时就把他们连接到一起
                   n+=1;
               }
               
           }
           Console.WriteLine(s+" is not number!");
           Console.ReadLine();
        }
        
    }
}