asp.net 分页的存储过程

set ANSI_NULLS OFF
set QUOTED_IDENTIFIER OFF
GO

ALTER Proc [dbo].[p_query] @Source nvarchar(4000), @Size int=10, @Index int=1, @List nvarchar (1000)='',@Order nvarchar (1000)='',
@Count int =0 OUTPUT
as
set nocount on
declare @FdName nvarchar(250)
declare @Id1 varchar(20)
declare @Id2 varchar(20)
declare @Obj_ID int

--too zhjian in table
declare @strfd nvarchar(2000)
declare @strjoin nvarchar(4000)
declare @strwhere nvarchar(2000) --query

select @Obj_ID=object_id(@Source)
,@List=case isnull(@List,'') when '' then ' *' else ' '+@List end
,@Order=case isnull(@Order,'') when '' then '' else ' order by '+@Order end
,@Source=case when @Obj_ID is not null then ' '+@Source else ' ('+@Source+') a' end

--if it is frist page use top finish query
if @Index=1
begin
if @Count is null
begin
declare @lbtop1 nvarchar(1000)
set @lbtop1 = 'select @Count = count(*) from '+@Source
exec sp_executesql @lbtop1, N'@Count int out', @Count out
end
select @Id1=cast(@Size as varchar(20))
exec('select top '+@Id1+@List+' from '+@Source+@Order)
return
end

--if zhujian in table
if @Obj_ID is not null and objectproperty(@Obj_ID,'IsTable')=1
begin
select @Id1=cast(@Size as varchar(20))
,@Id2=cast((@Index-1)*@Size as varchar(20))

select @FdName=name from syscolumns where id=@Obj_ID and status=0x80
if @@rowcount=0   --if zhujian in table
begin
if not exists(select 1 from sysobjects where parent_obj=@Obj_ID and xtype='PK')
   goto lbusetemp    --if zhujian no in table is temp

select @FdName=name from syscolumns where id=@Obj_ID and colid in(
   select colid from sysindexkeys where @Obj_ID=id and indid in(
    select indid from sysindexes where @Obj_ID=id and name in(
     select name from sysobjects where xtype='PK' and parent_obj=@Obj_ID
   )))

if @@rowcount>1
begin
   select @strfd='',@strjoin='',@strwhere=''
   select @strfd=@strfd+',['+name+']'
    ,@strjoin=@strjoin+' and a.['+name+']=b.['+name+']'
    ,@strwhere=@strwhere+' and b.['+name+'] is null'
    from syscolumns where id=@Obj_ID and colid in(
    select colid from sysindexkeys where @Obj_ID=id and indid in(
     select indid from sysindexes where @Obj_ID=id and name in(
      select name from sysobjects where xtype='PK' and parent_obj=@Obj_ID
    )))
   select @strfd=substring(@strfd,2,2000)
    ,@strjoin=substring(@strjoin,5,4000)
    ,@strwhere=substring(@strwhere,5,4000)
   goto lbusepk
end
end
end
else
goto lbusetemp

lbuseidentity:
if @Count is null
begin
declare @lbuseidentity nvarchar(1000)
set @lbuseidentity = 'select @Count = count(*) from '+@Source
exec sp_executesql @lbuseidentity, N'@Count int out', @Count out
end
exec('select top '+@Id1+@List+' from '+@Source
+' where '+@FdName+' not in(select top '
+@Id2+' '+@FdName+' from '+@Source+@Order
+')'+@Order
)
return

lbusepk:
if @Count is null
begin
declare @lbusepk nvarchar(1000)
set @lbusepk = 'select @Count = count(*) from '+@Source
exec sp_executesql @lbusepk, N'@Count int out', @Count out
end

exec('select '+@List+' from(select top '+@Id1+' a.* from
(select top 100 percent * from '+@Source+@Order+') a
left join (select top '+@Id2+' '+@strfd+'
from '+@Source+@Order+') b on '+@strjoin+'
where '+@strwhere+') a'
)
return

lbusetemp:
select @FdName='[ID_'+cast(newid() as varchar(40))+']'
,@Id1=cast(@Size*(@Index-1) as varchar(20))
,@Id2=cast(@Size*@Index-1 as varchar(20))

declare @lbusetemp nvarchar(4000)
set @lbusetemp = 'select '+@FdName+'=identity(int,0,1),'+@List+'
into #tb from'+@Source+@Order
+case when @Count is null then ' set @Count = @@rowcount ' else '' end + '
select '+@List+' from #tb where '+@FdName+' between '
+@Id1+' and '+@Id2
exec sp_executesql @lbusetemp, N'@Count int out', @Count out