Web/UpFiles.aspx

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="UpFiles.aspx.cs" Inherits="UpFiles" %>

<!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 runat="server">
    <title>无标题页</title>
    <script language="JavaScript">
    function addFile()
    {
    	var str = '<INPUT type="file" size="50" NAME="File">'
    	document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)
    }
    </script>
</head>
<body>
    <form id="form1" method="post" runat="server" enctype="multipart/form-data">
     <div align="center">
        <h3>多文件上传</h3>
        <P id="MyFile"><INPUT type="file" size="50" NAME="File"></P>
        <P>
          <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="开始上传" ID="UploadButton"></asp:Button>
            </P>
        <P>
        <asp:Label id="strStatus" runat="server" Font-Names="宋体" Font-Bold="True" Font-Size="9pt" 
          Width="500px" BorderStyle="None" BorderColor="White"></asp:Label>
        </P> 
      </div>
    </form>
</body>
</html>