title: Update listbox on time asp.net
body: <p>I have a listbox that is getting data from the database . My problem is that i want to refresh that list box on every 3 seconds for example or some n seconds. Is this possible in ASP.Net can i update listbox on time without refreshing whole page? and if it is possible how can i do it?</p>
  
  <p>Ok i did research about the updatepanel but i have problem making datasource of listbox and listbox refresh .</p>
  
  <p>Thanks.</p>