HI,
Thanks for your suggesion. Now I am trying what You gave...
Thnaks alot.
Regards
Srinivas
>From: Jean-Francois Pinero <[EMAIL PROTECTED]>
>Reply-To: A mailing list about Java Server Pages specification and reference <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: help me
>Date: Thu, 1 Nov 2001 11:21:46 -0500
>
>How about using a trigger on the database that instantly knows when the data
>has changed, like that no unnecessary refreshes have to be done on the
>client side when the data hasn't been changed?
>
>-----Original Message-----
>From: Joe Cheng [mailto:[EMAIL PROTECTED]]
>Sent: Thursday, November 01, 2001 11:16 AM
>To: [EMAIL PROTECTED]
>Subject: Re: help me
>
>
> >> my requirement is to display the data on the front end without any time
>interval when ever the data changes in the table that perticular field of
>the record only must change on the front end without refreshing the entire
>page. (please don't recomend meta tags) <<
>
>I haven't heard of any really great way to do this, at least not using a web
>browser (non-applet) as your client. But there are some not-so-elegant
>solutions I know of that will work. One is to have a hidden frame on your
>page, that will continuously make requests to a JSP (or servlet) on the
>server (say every 5 seconds or so), and whenever the information has changed
>that JSP will return the JavaScript commands necessary to update the
>non-hidden frame. It's not pretty but it does work.
>
>If you don't want to use a hidden frame, you can also embed a small object
>of some kind (Flash? Applet?), say 1 pixel by 1 pixel, in the page that has
>the ability to poll the server and manipulate the document object model.
>
>If anyone else has an alternate solution I'd love to hear it. But as far as
>I know, like Saravanan said, a smarter client like applets (or ActiveX I
>guess) is the only good way to do it.
>
>-jmc
>
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