在asp文件文件下载中，代码？

textServer.asp页面

<form   method= "post "   action= "http://wxd09/Manual_file/dvaid/2010/eng/downloading.asp "   name= "form2 ">
      <a   href= "http://wxd09/Manual_file/dvaid/2010/eng/downloading.asp ">

            <input   type= "image "   src= "images/down_R.jpg "   onclick= "javascript:form2.submit() "/>
      </a>
            <input   type= "text "   name= "filename "   value= " <%=rs2( "schref ")%> "   />
</form>

downloading.asp页面

<!--#include   file= "conn.asp "-->
<%  

filename=request( "filename ")

if   filename   =   " "   then

        Response.Write   "请输入filename参数，指定下载的文件名 "
else

        Response.ContentType   =   "application/octet-stream "
        Response.AddHeader   "content-disposition ", "attachment;filename= "&filename