【转】List排序的两种简便方式

原文链接：http://blog.csdn.net/wanzhuan2010/article/details/6205884

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; }
    }
}

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; } } }

 

效果展示: