为什么循环不循环的问题

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

<%

HAHA=trim(request("xuexiao"))

set rs=server.CreateObject("adodb.recordset")

     sql="SELECT * FROM pbqk_old_xx WHERE xxdm='"&HAHA&"' and sxs>0"

	 rs.open sql,conn,1,1

	 

set pbqk=server.CreateObject("adodb.recordset")

     sql="SELECT * FROM xuexiaomd WHERE xxdm='"&HAHA&"' "

	   pbqk.open sql,conn,1,1

	   %>

<!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>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />



<title><%=pbqk("xxmc")%>的尚需数量分布</title>

<link href="cssadmin.css" rel="stylesheet" type="text/css" />

</head>

<body>

<p  class="STYLE2" align="center">代码：<b><font color="#FF0000"><%=pbqk("xxdm")%></font></b>   名称：<b><font color="#FF0000"><%=pbqk("xxmc")%></font></b>   类别：<b><font color="#FF0000"><%=pbqk("xxlb")%></font></b> </p>

<br />



<table width="100%" cellspacing="1" bgcolor="#0066FF">

<tr>

    <td width="3%" height="19" bgcolor="#FFCC99" class="STYLE2"><div align="center">编号</div></td>

    <td width="10%" bgcolor="#FFCC99" class="STYLE2"><div align="center">名称</div></td>

    <td width="11%" bgcolor="#FFCC99" class="STYLE2"><div align="center">规格型号</div></td>

    <td width="6%" bgcolor="#FFCC99" class="STYLE2"><div align="center">单位</div></td>

    <td width="6%" bgcolor="#FFCC99" class="STYLE2"><div align="center">参考单价</div></td>

    <td width="9%" bgcolor="#FFCC99" class="STYLE2"><div align="center">配备标准</div></td>

    <td width="11%" bgcolor="#FFCC99" class="STYLE2"><div align="center">已配数</div></td>

    <td width="6%" bgcolor="#FFCC99" class="STYLE2"><div align="center">尚需数</div></td>

    <td width="15%" bgcolor="#FFCC99" class="STYLE2"><div align="center">备注</div></td>

	<td width="7%" bgcolor="#FFCC99" class="STYLE2"><div align="center">科目</div></td>

    <td width="16%" bgcolor="#FFCC99" class="STYLE2"><div align="center">类别</div></td>

  </tr>

  <%

  yqidi=rs("idi")

 	  

     

  set rss=server.CreateObject("adodb.recordset")

     sql="SELECT * FROM xxml2000 WHERE id="&yqidi&" "

	 rss.open sql,conn,1,1

  i=30 

rss.pagesize=i 

pu=request("pu") 

if pu="" then pu=1 

if cint(pu)<="0" then pu=1 

if cint(pu)>rss.pagecount then pu=rss.pagecount 

if not rss.eof then rss.absolutepage=cint(pu) 

if not rss.eof then 

  

   lbdm=pbqk("lbdm")

   if lbdm=11 then

		bp=rss("yibi")

		xp=rss("yixuan")

		

	elseif lbdm=21  then

	 	bp=rss("erbi")

		xp=rss("erxuan")

		

	elseif lbdm=31  then

	 	bp=rss("sanbi")

		xp=rss("sanxuan")

		

end if	

do while not rss.eof and i=>1

  

  %>

  <tr class="STYLE1" bgcolor="#EFEFEF" onMouseOut="this.bgColor='#efefef';this.borderColor='#efefef'"

onMouseOver="this.bgColor='#cccccc'; this.borderColor='#000033'" >

    <td ><%=rss("yqbh")%></td>

    

	<td  title="<%=rss("mingcheng")%>">   

	<%if len(rss("mingcheng"))>8 then 

	response.write left(rss("mingcheng"),8)

	else

	response.write rss("mingcheng")

	end if

	%> </td>

	

   

    <td >

	  <span  title=<%=rss("guigxh")%>>

	  <%if len(rss("guigxh"))>8 then 

	response.write left(rss("guigxh"),8)

	else

	response.write rss("guigxh")

	end if

	%>

    </span></td>

    <td ><div align="center" ><%=rss("danwei")%></div></td>

    <td ><div align="center" ><%=rss("cankaodj")%></div></td>

    <td ><div align="center" >

      <%response.write(bp)%>

    </div></td>

    <td ><div align="center" >

      <%=rs("yps")%>

    </div></td>

    <td ><div align="center" >

	

    <%=rs("sxs")%>

	</div></td>

    

	<td ><span  title=<%=rss("beizhu")%>>

	<%if len(rss("beizhu"))>8 then 

	response.write left(rss("beizhu"),8)

	else

	response.write rss("beizhu")

	end if

	%></td>

	<td><div align="center" >

	<%=rss("kemu")%>

	</div></td>

    <td ><span  title=<%=rss("yiqifenlei")%>>

	<%if len(rss("yiqifenlei"))>8 then 

	response.write left(rss("yiqifenlei"),8)

	else

	response.write rss("yiqifenlei")

	end if

	%></td>

  </tr>

  <%

  

  rss.movenext 

i=i-1 

loop 

end if 

  %>

</table>

<span class="STYLE5">当前第 <%=pu%> 页；分 

<%=rss.pagecount%> 页； 

共 <%=rss.recordcount%> 条记录； 

每页30条记录 

<a href="?pu=1">首 页</a> 

<a href="?pu=<%=cint(PU)-1%>">上一页</a> 

<a href="?pu=<%=cint(PU)+1%>">下一页</a> 

<a href="?pu=<%=rss.pagecount%>">末 页</a>

 

</span>

</body>

</html>