using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace ListSort{    class Program    {        static void Main(string[] args)        {            List<Customer> listCustomer = new List<Customer>();            listCustomer.Add(new Customer { name = "客户1", id = 0 });            listCustomer.Add(new Customer { name = "客户2", id = 1 });            listCustomer.Add(new Customer { name = "客户3", id = 5 });            listCustomer.Add(new Customer { name = "客户4", id = 3 });            listCustomer.Add(new Customer { name = "客户5", id = 4 });            listCustomer.Add(new Customer { name = "客户6", id = 5 });            ///升序            List<Customer> listCustomer1 = listCustomer.OrderBy(s => s.id).ToList<Customer>();            //降序            List<Customer> listCustomer2 = listCustomer.OrderByDescending(s => s.id).ToList<Customer>();            //Linq排序方式            List<Customer> listCustomer3 = (from c in listCustomer                                            orderby c.id descending //ascending                                            select c).ToList<Customer>();            Console.WriteLine("List.OrderBy方法升序排序");            foreach (Customer customer in listCustomer1)            {                Console.WriteLine(customer.name);            }            Console.WriteLine("List.OrderByDescending方法降序排序");            foreach (Customer customer in listCustomer2)            {                Console.WriteLine(customer.name);            }            Console.WriteLine("Linq方法降序排序");            foreach (Customer customer in listCustomer3)            {                Console.WriteLine(customer.name);            }            Console.ReadKey();        }    }    class Customer    {        public int id { get; set; }        public string name { get; set; }    }}