asp.net获取文件夹下的所有文件

using System;using System.Collections.Generic;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.IO;public partial class admin_Default : System.Web.UI.Page{    protected void Page_Load(object sender, EventArgs e)    {        string path = Server.MapPath("/ceshi/");        DirectoryInfo di = new DirectoryInfo(path);        //找到该目录下的文件         FileInfo[] fis = di.GetFiles();        foreach (FileInfo fi in fis)        {            Response.Write(fi.Name);            Response.Write("<br>");        }    }}