Is there a way to use a WatchDog???

Hi!

I got the next doubt:

Im developing an Agenda. But I need to know if there's a way to have a
watchdog to update the table in anothe user.

i.e.

User #1 checks his schedule for today and at the same time user #2
checks the schedule of the user #1 of the same day (today). User #1 set a
new entry at 12:00 and what I would like is that the user #2 view the change
just before it was made, whitout the use of a "reload" button.


Is this possible???

Somebody recommended me the use of winsock and UDP, but I guess is
another way to solve it.

Hope you can help me.

JLuis


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