asked on

php / java message popups

I would appreciate some suggestions on the following:

An website page will have records on it which will be updated on a computer in an office accessing this website on the local server.
When the records are submitted and the appropriate database is updated, another page being accessed on the same website / server but using a computer in another office in the same building needs to get a pop up message saying that a record has been updated.

Would I use sessions for this ?

ASKER CERTIFIED SOLUTION

jrm213jrm213

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Ray Paseur

No points for this (jrm213^2 has given the right answer). Just wanted to let you know that under the rules of HTTP client-server systems, clients make requests and servers make responses. And that's all. Servers cannot initiate any action on a client machine. That's why you need the AJAX polling. AJAX will make repeated requests, thus simulating an event listener.

An md5() string is a useful thing in this design. When it changes, that is because the input to md5() changed. I use that design to monitor web directories.

Best of luck with it, ~Ray

doctorbill

ASKER

could you give me some example scripts / pages please

doctorbill

ASKER

Thanks very much for the advice. I found a message script called Blab which works very well, and one called php 121