SQL error:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and r>=) or l=0) and (c_id=20 or id=20) and visible='Y' order by l' at line 1<br> query:select id,parent_id,name,page,toun from tale_cont where ((l<= and r>=) or l=0) and (c_id=20 or id=20) and visible='Y' order by l