select top "+pageSize+" * from Table where id not in (select top "+(currentPage - 1) * pageSize +" id from Table order by id desc) order by id desc
50~40 40~30 30~20 20~10 10~0
取30~20,先把50~30的去掉再取出前10
select top "+pageSize+" * from Table where id not in (select top "+(currentPage - 1) * pageSize +" id from Table order by id desc) order by id desc