字典排序

 1 using System;  
 2 using System.Collections.Generic;  
 3 using System.Linq;  
 4 using System.Text;  
 5   
 6 namespace ConsoleApplication1  
 7 {  
 8     class Program  
 9     {  
10         static void Main(string[] args)  
11         {  
12   
13             Dictionary<int, string> test = new Dictionary<int, string> { };  
14             test.Add(0,"000");  
15             test.Add(4, "444");  
16             test.Add(2, "222");  
17             test.Add(6, "666");  
18   
19             Dictionary<int, string> dic1Asc = test.OrderBy(o => o.Key).ToDictionary(o => o.Key, p => p.Value);  
20               
21               
22             Console.WriteLine("小到大排序");  
23             foreach(KeyValuePair<int,string> k in dic1Asc){  
24                 Console.WriteLine("key:" +k.Key +" value:" + k.Value);  
25             }  
26   
27             Console.WriteLine("大到小排序");  
28             Dictionary<int, string> dic1desc = test.OrderByDescending(o => o.Key).ToDictionary(o => o.Key, p => p.Value);  
29   
30             foreach (KeyValuePair<int, string> k in dic1desc)  
31             {  
32                 Console.WriteLine("key:" + k.Key + " value:" + k.Value);  
33             }  
34   
35   
36             while (true) ;  
37   
38         }  
39     }  
40 }