这是一篇有关新闻文章中下一篇上一篇的代码,想修改为按时间排序怎么做(只在修改SQL排序是不行的,排出的顺序不对)

这是一篇有关新闻文章中上一篇下一篇的代码,想修改为按时间排序如何做(只在修改SQL排序是不行的,排出的顺序不对)?
<%
dim pid1,pid2,pid3
classid = rs3("Smallclassid")
pid1=rs3("newsid")
function Getpre
sql="select top 1 * from news where newsid >"&pid1&" and SmallClassID="&classid&" order by newsid asc"
set rs3=conn.execute(sql)
if rs3.eof or rs3.bof then
response.Write("没有新闻了")
else
pid2=rs3("newsid")
response.Write("<a href='default.asp?newsid="&pid2&"'>"&rs3("title")&"</a>")
end if
end function

function Getnext
sql="select top 1 * from news where newsid <"&pid1&" and SmallClassID="&classid&" order by newsid desc"
set rs3=conn.execute(sql)
if rs3.eof then
response.Write("没有新闻了")
else
pid3=rs3("newsid")
response.Write("<a href='default.asp?newsid="&pid3&"'>"&rs3("title")&"</a>")
end if
end function
%>
<table width="438" border="0" cellpadding="0" cellspacing="0">
  <tr>
  <td width="399"><span class="shang">上一篇：
  <% getpre %>
  </span></td>
  </tr>
  <tr>
  <td><span class="shang">下一篇：
  <% getnext %>
  </span></td>
  </tr>
</table>

[解决办法]

VBScript code

dim pid1,pid2,pid3classid = rs3("Smallclassid")pid1=rs3("newsid")shijian=rs3("时间字段")'============function Getpresql="select top 1 * from news where 时间字段 >'"&shijian&"' and SmallClassID="&classid&" order by newsid asc"'============set rs3=conn.execute(sql)if rs3.eof or rs3.bof thenresponse.Write("没有新闻了")elsepid2=rs3("newsid")response.Write("<a href='default.asp?newsid="&pid2&"'>"&rs3("title")&"</a>")end ifend functionfunction Getnextsql="select top 1 * from news where 时间字段 <'"&shijian&"' and SmallClassID="&classid&" order by newsid desc"'============set rs3=conn.execute(sql)if rs3.eof thenresponse.Write("没有新闻了")elsepid3=rs3("newsid")response.Write("<a href='default.asp?newsid="&pid3&"'>"&rs3("title")&"</a>")end ifend function