The way presented in this article is a way of how to add new rows from database to gridview without refresh of the page. This is useful when a client wants to see new rows (e.g., new letters) without having to refresh the page.
If you want to see a live demo, please login to your Gmail account (load standard Gmail), then send a letter from a different browser to your Gmail address and see that your Gmail Inbox will auto add the new letter's row to your letters' gridView.
