By using innerHTML in jsp page which need to populate the data from database in to that page without refreshing that.
Created May 7, 2012
Brian Glodde Several ways of accomplishing this:
» Pushlets
The whole premise of pushlets is to refresh data without refreshing the page.
» JSRS
A similar technology with a JavaScript framework.
» A discussion on IBM.com regarding remote scripting technologies
In the past, I've implemented a remote scripting-ish solution using a hidden frame. People might argue with this approach and it's inherent difficulties, however it is up and working on a Fortune 500 companies site and has passed all their regression tests.
Hope that helps to get you started!