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 =  });

            listCustomer.Add(new Customer { name = "客户2", id =  });

            listCustomer.Add(new Customer { name = "客户3", id =  });

            listCustomer.Add(new Customer { name = "客户4", id =  });

            listCustomer.Add(new Customer { name = "客户5", id =  });

            listCustomer.Add(new Customer { name = "客户6", id =  });

            ///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; }

    }

}