asp中rs.BookMark的使用介绍

<%
dim d
sql="select  from cs1"
set rs=server.CreateObject("ADODB.RecordSet")
rs.Open sql,conn,1,1
while not rs.eof
  if cInt(rs("id"))=10 then
    d=rs.Bookmark
  end if
  response.write(rs("id")&"-"&rs.bookMark&"<br>")
  rs.MoveNext
wend
rs.Bookmark=d
response.write(rs("id")&"-<br>")
while not rs.eof
  if cInt(rs("id"))=10 then
    d=rs.Bookmark
  end if
  response.write(rs("id")&"-"&rs.bookMark&"<br>")
  rs.MoveNext
wend
%>