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1 public partial class FileDownLoad : System.Web.UI.Page   
  2     {   
  3         //ÌṩÏÂÔØµÄÎļþ£¬²»±àÂëµÄ»°ÎļþÃû»áÂÒÂë   
  4         private string fileName = HttpContext.Current.Server.UrlEncode("¹æ·¶.rar");   
  5         private string filePath = HttpContext.Current.Server.MapPath("¹æ·¶.rar");   
  6         //ʹÓÃTransmifFileÏÂÔØÎļþ   
  7         protected void btnDL1_Click(object sender, EventArgs e)   
  8         {   
  9             FileInfo info = new FileInfo(filePath);   
 10             long fileSize = info.Length;   
 11             Response.Clear();   
 12             Response.ContentType = "application/x-zip-compressed";   
 13             Response.AddHeader("Content-Disposition", "attachment;filename="+ fileName);   
 14             //²»Ö¸Ã÷Content-LengthÓÃFlushµÄ»°²»»áÏÔʾÏÂÔØ½ø¶È   
 15 


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<asp:PlaceHolder runat="server" id="PutLabelHere" />  Sub Page_Load(sender as Object, e ......

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string user_IP = System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
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ASP.NET+MYSQL

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1. PreInit()ÔÚÕâ¸öÒ³Ãæ¼¶µÄʼþÖУ¬ËùÓÐÔÚÉè¼ÆÊ±´´½¨µÄ¿Ø¼þ¶¼½«±»ÓÃĬÈÏÖµ×ö³õʼ»¯¡£ÀýÈ磬Èç¹ûÄãÓÐÒ»¸öTextÊôÐÔֵΪ"Hello"µÄTextBox¿Ø¼þ£¬Ôò´ËʱÕâ¸öÊôÐÔ±»ÉèÖá£ÎÒÃÇÒ²¿ÉÒÔÔÚÕâÀﶯ̬µÄ´´½¨¿Ø¼þ¡£Õâ¸öʼþ½ö½ö·¢ÉúÔÚÒ³¼¶±ðµÄÀàÖУ¬Óû§¿Ø¼þºÍĸ°æÒ³Ã»ÓÐÕâ¸öʼþ¡£ÏÂÃæµÄ´úÂëʾÀýÁËÈçºÎÖØÐ´Õâ¸ö·½·¨ÒÔÔö¼ÓÄãµÄ×Ô¶¨Òå´úÂë ......

asp.net ¿Í»§¶Ë»º´æ(ClientCaching)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
StartClientCaching();
......
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