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前台文件 <%@ 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">
<script type="text/javascript" language="JavaScript">
function addFile()
{
var str = '<div><INPUT type="file" size="30" NAME="File"><input name="btn" onclick="this.parentNode.removeNode(true);" type="button" value="删除" /><div>'
document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server" enctype="multipart/form-data">
<input type="button" value="增加(Add)" onclick="addFile()">
<input onclick="this.form.reset()" type="button" value="重置(ReSet)">
<asp:Button Runat="server" Text="上传" ID="Upload" OnClick="Upload_Click1" ></asp:Button>
<br />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label><br />
<div id="MyFile">
<input type="file" name="File" size="30" /> 软件开发网 www.mscto.com
</div>
</form>
</body>
</html>
后台文件
using System;
using System.IO;
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; public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Upload_Click1(object sender, EventArgs e)
{ HttpFileCollection _files = System.Web.HttpContext.Current.Request.Files;//上传文件的集合
if (_files != null)
{
for (int i = 0; i < _files.Count; i++)
{
//HttpPostedFile postedFile = _files[i];//上传文件的单独访问
string fileName = Path.GetFileName(_files[i].FileName);//得到文件的名称
if (fileName != "")
{ 软件开发网 www.mscto.com
_files[i].SaveAs(Server.MapPath("~/Update/") + fileName);
}
}
}
}
}
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