C# Dictionary根据Key排序

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static void Main(string[] args)
{
           Dictionary<string, int> dt = newDictionary<string, int>();
           dt.Add("美丽",2);
           dt.Add("校园",1);
           dt.Add("大学",3);

           var result1 = from pair in dt selectpair;
           foreach (KeyValuePair<string, int>pair in result1)
           {
               Console.WriteLine(pair.Key.ToString() + " " +pair.Value.ToString());
           }
           Console.WriteLine();

           var result2 = from pair in dtorderby pair.Value selectpair;
           foreach (KeyValuePair<string, int>pair in result2)
           {
               Console.WriteLine(pair.Key.ToString()+""+pair.Value.ToString());
           }
           Console.WriteLine();

          var result3 = from pair in dtorderby pair.Value descending selectpair;
           foreach (KeyValuePair<string, int>pair in result3)
           {
               Console.WriteLine(pair.Key.ToString() + " " +pair.Value.ToString());
           }
           Console.Read();
    }

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) ;

        }
    }
}

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