sql存储过程分页

CREATE PROCEDURE [dbo].[UP_GridViewPagerCplexSql] (
    @recordTotal INT OUTPUT,            --输出记录总数
    @ComplexSql VARCHAR(max),        --查找sql语句
    @pageSize INT = 20,                    --每页记录数
    @pageNo INT =1,                    --当前页
    @orderString VARCHAR(200)        --排序条件
)
AS
BEGIN
     DECLARE @beginRow INT
     DECLARE @endRow INT
     DECLARE @tempLimit VARCHAR(8000)
     DECLARE @tempCount NVARCHAR(max)
     DECLARE @tempMain VARCHAR(max)


     SET @beginRow = @pageNo * @pageSize    + 1
     SET @endRow = (@pageNo+1) * @pageSize
     SET @tempLimit = 'rows BETWEEN ' + CAST(@beginRow AS VARCHAR) +' AND '+CAST(@endRow AS VARCHAR)
     
     --输出参数为总记录数
     SET @tempCount = 'SELECT @recordTotal = COUNT(*) FROM ('+ @ComplexSql+') AS my_temp'
     --PRINT @tempCount
     EXECUTE sp_executesql @tempCount,N'@recordTotal INT OUTPUT',@recordTotal OUTPUT
       
     --主查询返回结果集
     SET @tempMain = 'SELECT * FROM (SELECT ROW_NUMBER() OVER ('+@orderString+') AS rows ,* FROM ('+@ComplexSql+' ) main) AS main_temp WHERE '+@tempLimit
     --PRINT len(@tempMain)
     EXECUTE (@tempMain)
     
     select @recordTotal
END