合并多个List<T>类型并通过LINQ按指定属性排序

最新推荐文章于 2022-08-11 09:22:59 发布

第八个猴子

最新推荐文章于 2022-08-11 09:22:59 发布

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CC 4.0 BY-SA版权

文章标签： xhtml c# ui

原文链接：http://www.cnblogs.com/zxx193/p/3484195.html

本文介绍了一种使用C#实现列表合并与时间降序排序的方法，并展示了如何将排序后的列表绑定到Repeater控件中进行展示。

后台CS代码：

namespace WebFormTest.TestCollect
{
    public partial class ListTest : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            List<Person> list1 = new List<Person>();
            list1.Add(new Person() { Age = 1, Name = "张三", Time = Convert.ToDateTime("2013/12/20 13:20") });
            list1.Add(new Person() { Age = 5, Name = "李四", Time = Convert.ToDateTime("2013/12/20 14:20") });
            list1.Add(new Person() { Age = 3, Name = "王五", Time = Convert.ToDateTime("2013/12/20 13:40") });

            List<Person> list2 = new List<Person>();
            list2.Add(new Person() { Age = 1, Name = "张三2", Time = Convert.ToDateTime("2013/12/20 13:20") });
            list2.Add(new Person() { Age = 5, Name = "李四2", Time = Convert.ToDateTime("2013/12/20 14:20") });
            list2.Add(new Person() { Age = 3, Name = "王五2", Time = Convert.ToDateTime("2013/12/20 13:40") });

            list1 = list1.Concat(list2).ToList(); //合并多个list<T>

            list1 = list1.OrderByDescending(i => i.Time).ToList(); //降序排列
            //list.OrderBy(i => i.Time);升序排列

            Repeater1.DataSource = list1;
            Repeater1.DataBind();
        }
    }


    public class Person
    {
        private int age;

        public int Age
        {
            get { return age; }
            set { age = value; }
        }
        private string name;

        public string Name
        {
            get { return name; }
            set { name = value; }
        }

        private DateTime time;

        public DateTime Time
        {
            get { return time; }
            set { time = value; }
        }

    }
}

前台代码：

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ListTest.aspx.cs" Inherits="WebFormTest.TestCollect.ListTest" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table border="1" cellspacing="0" cellpadding="0" width="100%">
            <asp:Repeater ID="Repeater1" runat="server">
                <ItemTemplate>
                    <tr>
                        <td>
                            <%#Eval("Age") %>
                        </td>
                        <td>
                        <%#Eval("Name") %>
                        </td>
                        <td>
                        <%#Eval("Time") %>
                        </td>
                    </tr>
                </ItemTemplate>
            </asp:Repeater>
        </table>
    </div>
    </form>
</body>
</html>