输出文件并排序

 程序代码
using System;  
using System.Data;  
using System.Configuration;  
using System.Collections;  
using System.Web;  
using System.Web.Security;  
using System.Web.UI;  
using System.Web.UI.WebControls;  
using System.Web.UI.WebControls.WebParts;  
using System.Web.UI.HtmlControls;  
using System.IO;  
 
public partial class SortFileList : System.Web.UI.Page  
{  
    protected void Page_Load(object sender, EventArgs e)  
    {  
        DirectoryInfo dirinfo = new DirectoryInfo(MapPath("~"));  
        FileInfo[] sortList = dirinfo.GetFiles();  
        Array.Sort(sortList, new MyDateSorter());  
 
        foreach (FileInfo item in sortList)  
        {  
            Response.Write(item.FullName + "<br" + " />");  
        }  
    }  
}  
 
public class MyDateSorter : IComparer  
{ 
    #region IComparer Members  
    public int Compare(object x, object y)  
    {  
        if (x == null && y == null)  
        {  
            return 0;  
        }  
        if (x == null)  
        {  
            return -1;  
        }  
        if (y == null)  
        {  
            return 1;  
        }  
        FileInfo xInfo = (FileInfo)x;  
        FileInfo yInfo = (FileInfo)y;  
 
 
        //依名稱排序  
        return xInfo.FullName.CompareTo(yInfo.FullName);//遞增  
        //return yInfo.FullName.CompareTo(xInfo.FullName);//遞減  
 
        //依修改日期排序  
        //return xInfo.LastWriteTime.CompareTo(yInfo.LastWriteTime);//遞增  
        //return yInfo.LastWriteTime.CompareTo(xInfo.LastWriteTime);//遞減  
    } 
    #endregion  
} 

本文来自: IT知道网(http://www.itwis.com) 详细出处参考：http://www.itwis.com/html/net/aspnet/20090630/4849.html