sql = "Select Top 5 tbltopic.subject, tblauthor.author, tblthread.topic_id, tblthread.message from tbltopic, tblauthor, tblthread where tblthread.topic_id = tbltopic.topic_id and tblthread.author_id = tblauthor.author_id order by tblthread.topic_id desc "

a meno di errori di digitazione....