存储过程上一篇下一篇

在做web项目时经常遇到新闻要上一篇，下一篇，自己先记下以纺万一忘记了

上一篇
create proc Prev
(
　　@ID
)
as
declare @Record int
set @Record = (select count(ID) from News where ID<@ID)
if @Record>0
  begin
     select top 1 ID from News where ID<@ID order by ID desc
  end
else
  begin
     select max(ID) from News
  end
下一篇
create proc Next
(
　　@ID
)
as
declare @Record int
set @Record = (select count(ID) from News where ID>@ID)
if @Record>0
  begin
     select top 1 ID from News where ID>@ID 
  end
else
  begin
     select min(ID) from News
  end