List<T>ForEach()

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Collections.Generic;


public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        List<DemoEntiy> list = new List<DemoEntiy>();
        list.Add(new DemoEntiy(1, "paul"));
        list.Add(new DemoEntiy(2, "leder"));
        list.Add(new DemoEntiy(3, "china"));
        //.NET 2.0实现
        System.Text.StringBuilder sb = new System.Text.StringBuilder();
        list.ForEach(delegate(DemoEntiy demo)
        {
            sb.Append(demo.Name + ",");
        });
        Response.Write(string.Format("Result:{0}<br/>", sb.ToString().TrimEnd(',')));
        //.NET 3.0以上 LINQ实现
        sb.Length = 0;
        list.ForEach(c => sb.Append(c.Name + ","));
        Response.Write(string.Format("LINQ Result:{0}<br/>", sb.ToString().TrimEnd(',')));
    }
}
public class DemoEntiy
{
    public DemoEntiy(int Id, string Name)
    {
        this.Id = Id;
        this.Name = Name;
    }
    private int _Id;
    public int Id
    {
        get { return _Id; }
        set { _Id = value; }
    }
    private string _Name;
    public string Name
    {
        get { return _Name; }
        set { _Name = value; }
    }
}