c#对list排序示例

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ListSort

{

class Program

{

static void Main(string[] args)

{

List listCustomer = new List();

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 listCustomer1 = listCustomer.OrderBy(s => s.id).ToList();

//降序

List listCustomer2 = listCustomer.OrderByDescending(s => s.id).ToList();

//Linq排序方式

List listCustomer3 = (from c in listCustomer

orderby c.id descending //ascending

select c).ToList();

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; }

}

}