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Refreshing webpage when MySQL db has changed

3:24 pm on Dec 17, 2007 (gmt 0)

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I am pretty sure there is not a way to directly do this but wanted to throw it out. Basically we have a log (that several users at a time could be looking at), when data is submitted it posts to the MySQL db. Instead of having the page auto-refresh every 2 minutes or so, it would be nice if it would just refresh when a change is detected. This would also cut down on the chances that data is missed due to inopportune refreshing/submitting. Read something about AJAX? Pretty much a novice so any help would be appreciated.


3:37 pm on Dec 17, 2007 (gmt 0)

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Ajax is the nicest route because no page refresh is called, the data just reloads from an http header request.

Look into it.

There are fully built libraries available.

I use this one with much success. They take care of all the browser compliance and code updates.

Yahoo (YUI)

5:37 pm on Dec 17, 2007 (gmt 0)

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You'll still have to poll the server for changes, though. About all you could do is increase your polling rate.