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create  proc getdata @pageindex int,@dataperpage int,@howmanyrecords int output
as
declare @temptable table
(
 rowindex int,
emp_id char(9),
 fname varchar(20),
 minit char(1),
 lname varchar(30)
 )
insert into @temptable
select row_number() over(order by emp_id) as rowindex,emp_id,fname,minit,lname
from employee
select @howmanyrecords=count(rowindex) from @temptable
select * from @temptable
where rowindex>(@pageindex-1)*@dataperpage
and rowindex<=@pageindex*@dataperpage
 
declare @howmanyrecords int
exec getdata 2,5,@howmanyrecords output
select @howmanyrecords
declare @x int, @y int, @z int
select @x = 1, @y = 2, @z=3
select @x,@y,@z
create proc getdata2 @pageindex int,@dataperpage int,@howmanyrecords int output
as
declare @temptable table
(
 rowindex int,
 emp_id char(9),
 fname varchar(20),
 minit char(1),
 lname varchar(30)
 )
insert into @temptable
select row_number() over(order by emp_id) as rowindex,emp_id,fname,minit,lname
from employee
select @howmanyrecords=count(rowindex) from @temptable
select * from @temptable
where rowindex>(@pageindex-1)*@dataperpage
and rowindex<=@pageindex*@dataperpage
ÆäÖÐRow_number º¯Êý¿ÉÒÔ¸ø¼ìË÷À´µÄÿÌõ¼Ç¼°´ÕÕÅÅÐòÀ´±àºÅ.
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