看了以前的帖子,得出结论2000底下做不到
http://www.delphibbs.com/delphibbs/dispq.asp?lid=257175
http://www.delphibbs.com/delphibbs/dispq.asp?lid=547966
http://www.delphibbs.com/delphibbs/dispq.asp?lid=206942
http://www.delphibbs.com/delphibbs/dispq.asp?lid=96720
但是98可以,里面有例子