用sql存储过程实现分页

首页，上，下，最后页用一个button，事件里面用存储过程，然后绑定； 

每一页的SQL语句:
(1)首页 ：select top 20 from UserTable order by ID DESC;
(2)上一页：select * from (select top 20 from UserTable where ID<@ID order by ID DESC) order by ID ASC
(3)下一页：select * from UserTable where ID > @ID order by ID ASC;
(4)尾页：select * from (select top 20 from UserTable order by ID DESC) order by ID ASC