c# OrderBy 实现List升序降序

1）前台代码

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication8.Default" %>







    


    

    

        
        
    
    

2）后台代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;


namespace WebApplication8
{
    public partial class Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                BindStudents();
            }
        }
        private void BindStudents()
        {
            List items = GetStudents().OrderBy(u => u.Name).ToList();//order by name asc
            //List items = GetStudents().OrderByDescending(u => u.Name).ToList();//order by name desc
            GridView1.DataSource = items;
            GridView1.DataBind();
        }
        private List GetStudents()
        {
            List items = new List();
            items.Add(new Student
            {
                ID = 2,
                Name = "abd"
            });
            items.Add(new Student
            {
                ID = 1,
                Name = "abc"
            });
            items.Add(new Student
            {
                ID = 3,
                Name = "bcd"
            });
            items.Add(new Student
            {
                ID = 4,
                Name = "acd"
            });
            return items;
        }
    }
    public class Student
    {
        public int ID { set; get; }
        public string Name { set; get; }
    }
}