use datatable into listview

Hi
i use Listview to display datatable 

I want to limit 25 items per page and make navigation (calculate no. of navigation links depending on datatable count and use in list view)
how to show in listview 25 datatable values,and show navigation link for other 

ie.. if 150 items are there in datatable, show 25 then calculate,  1  2  3   4   5    6       as navigation links