c# - How to set the NumericButtonCount of the Grid -

i have datagrid , datapager. not binding source of pager object held in memory rather calling paged stored procedure retrieves records according requested page passing current pageindex , pagesize sp in datapager's pageindexchanged event.

void onpageindexchanged(object sender, eventargs e) {    rowindex = (pgrproductgrids.pageindex * pgrproductgrids.pagesize) + 1; } 

now want set numericbuttoncount pager set according count of total records procedure return. how , need set this?

i tried setting check:

pgrproductgrids.numericbuttoncount = 2; 

but indicates 1 page , loads data on it