Nice paging in asp.net

I see paging in link : http://www.vietlonghousing.com/all-properties.html?filter_keyword=&filter_county=Dong+Da&filter_region=&submit=&filter_beds=&filter_baths=&filter_sqft_low=&filter_sqft_high=&filter_price_low=&filter_price_high=&option=com_iproperty&view=allproperties&Itemid=177&ipquicksearch=1
It's very nice button.So my question is how to create nice button and paging for good performance in asp.net. Mean that , in first page , we are only loaded 20 records. Thank you very much.