How to insert empty row inside the grid in asp.net?

Question

i have 13 records in my gridview.and  I have set page size propery=5 then i have 3 pages, in the final page i m getting two records its corect . But in the final page of the gridview i need 5 rows as per the page size (remaining 1 rows as an empty row , 3 Records remaining from that 13 records and one footer page).