You could use javascript to verify that the page is accessible before
the refresh, and only refresh if it is, otherwise wait till the next
refresh timeout to come around and repeat the procedure of checking for
the page, then refreshing if available.

Not really a .Net solution, but it should do the trick.

Greg 

-----Original Message-----
From: Discussion of advanced .NET topics.
[mailto:[EMAIL PROTECTED] On Behalf Of Eddie Lascu
Sent: Wednesday, July 05, 2006 13:08
To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM
Subject: Refresh a web page automatically when network connection goes
down

Hello Experts,

This may not be such an advances .NET topics, but I don't have any other
place where to ask my silly question. I apologies in advance.
One of the components in our system displays dynamic information through
a web page on an unmanned display (much like the arrival/departure times
and flight status displayed in airports).

Web development is not my area of expertise, but it's hard to swallow
the explanation I was presented by the developer that did the page.
Bottom line, the page refreshes itself every 2 seconds, to update almost
real time the information it must display. However, if the network goes
down for a very short period of time, the page cannot connect to the
server and Error 401 is presented (actually would have been, except it
was replaced with a blank page). The only way to solve this (suggested
by the said
developer) is to remotely connect to the desktop and refresh the link
manually.

Is there another way to do this in an automatic fashion? I think ideally
would be to leave the display untouched as long as the network is down
and refresh the content of the page as soon as the network comes back
on-line.
The page is displayed with Internet Explorer, so there is not much
control I have over the logic that controls the error handling.

Any suggestion would be appreciated.
Regards,
Eddie

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