asp上传图片问题，请高手解决 - 编程论坛

页面老是弹出

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这不是图片大小超过的问题，无论传什么图片都不行，我之前没学过asp,求高手解决！
-----upload.asp页面-------
<% img=Request("img")
imgnumber=Request("imgnumber")
img=Request("img")

if img<>"" then
imgurl=img
else
imgurl=systempath&"images/0.gif"
end if

if Request("showimg")<>"" then
  imgurl=Request("showimg")
end if

%>
<html><title>example</title>
<LINK href="../../inc/Style.css" rel=stylesheet>
<body leftmargin="0" topmargin="0" bgcolor="#F0F0F0" >
<table width="100%" border="0" cellspacing="0" cellpadding="0">
  <form name="form1" method="post" action="upfile.asp" enctype="multipart/form-data"> <tr>
      <input type="hidden" name="imgnumber" value="<%=Request("imgnumber")%>">
      <td height="35" valign="top">
        <input type=file name="file1">
        <input type=submit name="submit" value="提交">
        <input type="hidden" name="imgxz" value="<%=Request("img")%>">
        图片尺寸(270*210)</td>
    </tr></form>
  </table>

</body>
</html>

--------upfile.asp---------
<body>

<%
  set upload=new upload_5xsoft  ''建立上传对象
  set file=upload.file("file1") ''生成一个文件对象
  imgxz=upload.Form("imgxz")
  imgnumber=upload.Form("imgnumber")
  formPath=picpath&Session("kind")
  fileExt="."&right(file.FileName,3)

savename=imgnumber&imgxz&fileExt
file.saveAs Server.mappath(formPath&savename)
if file.FileSize>200000 then
%>

<script>
alert('对不起，图象大小不能超过200000字节！');
history.back();
</script>

<%end if

if file.FileSize>0  then

%>
<script>
   parent.house.<%=imgxz%>.value="<%=formPath%><%=savename%>";
   parent.house.imgarea.src="<%=formPath%><%=savename%>";
</script>

<%
else
  response.write "<script>alert('注意！您上传了空文件');history.go(-1)</script>"
end if

set file=nothing
set upload=nothing
%>
<script>
window.location.href='upload.asp?imgnumber=<%=imgnumber%>&showimg=<%=formPath%><%=savename%>';
</script>
</body>
</html>