List View particular Item Refreshing Frequently

Question

hello sir,

i have one list view in my web form that access data from database ....

list view contains many data in different controls from that i want to refresh particular label frequently and when label refresh only the particular label data check from database based on that items id..

for ex.

i have table named auction_Master that contain many fields such as auc_id, prod_id, unique_bidder, unique_bid, start_date, end_date

from this i want to refresh unique_bidder frequently 

please give me proper solution..

thank you...