文件上传代码（asp.net）
Boolean fileOK = false;
String path = "D:\\";
//string path = "1.gif";
String fileExtension =
System.IO.Path.GetExtension(Myfile.Value).ToLower();
string str1=System.IO.Path.GetFileName(Myfile.Value);
String[] allowedExtensions =
{ ".gif", ".png", ".jpeg", ".jpg" };
string temp = System.IO.Path.GetTempPath();
string temp1 = Server.MapPath("./");
for (int i = 0; i < allowedExtensions.Length; i++)
{
if (fileExtension == allowedExtensions[i])
{
fileOK = true;
}
}
if (fileOK)
{
try
&nbs
相关文档：
首先,在pageload里写入以下代码:Response.Write("<script>window.opener=null;window.close();</script>");
其次,在head里写下如下JS代码: <script language="JavaScript">
<!--
function openwin() { window.open ("Default.aspx", "newwindow", "height=600, width=600, toolbar=no, menubar=n ......
asp.net中显示在线用户
private static System.Threading.Timer timer;
private const int interval = 1000 * 60 * 20;//检查在线用户的间隔时间
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
public Global()
{
Initialize ......
首页：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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 ......
Default.aspx:
<%@ Page Language="C#" AutoEventWireup="true"
CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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" ......
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;
using Sy ......
