字典排序

using System;  
using System.Collections.Generic;  
using System.Linq;  
using System.Text;  
  
namespace ConsoleApplication1  
{  
    class Program  
    {  
        static void Main(string[] args)  
        {  
  
            Dictionary<int, string> test = new Dictionary<int, string> { };  
            test.Add(0,"000");  
            test.Add(4, "444");  
            test.Add(2, "222");  
            test.Add(6, "666");  
  
            Dictionary<int, string> dic1Asc = test.OrderBy(o => o.Key).ToDictionary(o => o.Key, p => p.Value);  
              
              
            Console.WriteLine("小到大排序");  
            foreach(KeyValuePair<int,string> k in dic1Asc){  
                Console.WriteLine("key:" +k.Key +" value:" + k.Value);  
            }  
  
            Console.WriteLine("大到小排序");  
            Dictionary<int, string> dic1desc = test.OrderByDescending(o => o.Key).ToDictionary(o => o.Key, p => p.Value);  
  
            foreach (KeyValuePair<int, string> k in dic1desc)  
            {  
                Console.WriteLine("key:" + k.Key + " value:" + k.Value);  
            }  
  
  
            while (true) ;  
  
        }  
    }  
}