SQL Server 2008 paging methods?

Question

I have to work with a potentially large list of records and I\'ve been Googling for ways to avoid selecting the whole list, instead I want to let users select a page (like f

Answer 1

If you use a CTE with two row_number() columns - one sorted asc, one desc, you get row numbers for paging as well as the total records by adding the two row_number columns.

create procedure get_pages(@page_number int, @page_length int)
as
    set nocount on;

    with cte as
    (
        select 
            Row_Number() over (order by sort_column desc) as row_num
            ,Row_Number() over (order by sort_column) as inverse_row_num
            ,id as cte_id
        From my_table
    )
    Select 
        row_num+inverse_row_num as total_rows
        ,*  
    from CTE inner join my_table
        on cte_id=df_messages.id
    where row_num between 
        (@page_number)*@page_length 
        and (@page_number+1)*@page_length
    order by rownumber