No problem. FYI: The startPoll() method is called in the canvas's oninit event:
<canvas ... oninit="this.startPoll()"> ... </canvas> Adeola. Rami Alkhalyleh wrote: > Thank you very much, > > > > On 5/11/06, *Adeola Awoyemi* <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > One way that I have implemented this in our solo app is to use the > LzDelegate and LzTimer together. For instance: > > [CODE] > > <method name="startPoll"> > this.pollDelegate = new LzDelegate( this, "pollServer" ); > LzTimer.addTimer( this.pollDelegate, 1000 ); > </method> > <method name="pollServer"> > canvas.checkSession(); // checks if session is still valid > board.updateBoard(srv.boardname); // updates the board dataset > LzTimer.resetTimer( this.pollDelegate, 1000 ); > </method> > > [/CODE] > > So in this case the my dataset is called "board" and the "updateBoard()" > method just makes the dataset request the data from the source again. > > This is how the boards on http://www.clockthat.com get updated > "globally" so that all users can see updated boards. > > HTH, > > Adeola. > > > John Sundman wrote: > > Pablo wrote the chapter in the Dguide and I edited it & updated > it. I > > believe it's accurate and good, so far as it goes. > > > > What it does not tell you, because it cannot, is how to architect > your > > application so that it scales well. When we get questions about > how to > > build applications that use a persistent connection to handle > millions > > of simultaneous users, the answer is, "talk to > [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>" > > to see about consulting services, or to have laszlo build your > > application for you. > > > > That being said, perhaps Pablo and I should get together for an > hour or > > so to go over the documentation with an eye to improving it. > > > > In general, the OpenLaszlo documentation does not cover best > practices > > for architecting applications (design patterns, things like that). > > Some books are in the works that will address this gap. > > > > jrs > > > > > > > > On May 9, 2006, at 1:50 PM, Benjamin Shine wrote: > > > >> You have to poll the database, or use the persistent connection. > Pablo > >> or John, is there any good persistent connection documentation? This > >> question has come up twice in the last few weeks. > >> > >> On May 9, 2006, at 7:42 AM, Rami Alkhalyleh wrote: > >> > >>> Hi All, > >>> > >>> I used laszlo to view the data from the database, so when the data > >>> in the database updated how can update the viewable data at the > >>> laszlo file without refresh the page? > >>> > >>> thanks in advance > >>> > >>> > >>> Regards > >>> Rami > >>> _______________________________________________ > >>> Laszlo-user mailing list > >>> [email protected] <mailto:[email protected]> > >>> http://www.openlaszlo.org/mailman/listinfo/laszlo-user > <http://www.openlaszlo.org/mailman/listinfo/laszlo-user> > > > > _______________________________________________ > > Laszlo-user mailing list > > [email protected] <mailto:[email protected]> > > http://www.openlaszlo.org/mailman/listinfo/laszlo-user > > _______________________________________________ Laszlo-user mailing list [email protected] http://www.openlaszlo.org/mailman/listinfo/laszlo-user
