请问为什么这些asp代码会报错"发生意外"

do while not rs.eof

if not rs.bof then
rs.MovePrevious
myfile.writeline(" <span class='style7'>上一篇: </span> <a href='"&rs("cp_id"))''''''''这里报错发生意外
  myfile.writeline(".html' class='style7'>")
myfile.writeline(rs("cp_bt")&" </a>")''''''''上面的删掉这里报错
  rs.movenext
else
myfile.writeline(" ")
end if


myfile.writeline(" </td> <td width=240> <a href='../")
myfile.writeline(wen("wen_dz"))

myfile.writeline("' class='style7'>目录 </a> </td> <td width=350>")
  if not rs.eof then
rs.movenext
myfile.writeline(" <span class='style7'>下一篇: </span> <a href='"&rs("cp_id"))''''''''上面的删掉这里再报错

myfile.writeline(".html' class='style7'>")
  myfile.writeline(rs("cp_bt")&" </a>")''''''''这里那是当然的了

  rs.MovePrevious
else
myfile.writeline(" <span class='style7'>本书完 </span>")