Hi Tracy Thanks for the link. Now in the link i couldn't find the specific example using timer for constant calling for HTTP service. Can you please tell me where exactly the example is located. Your help will be appreciated. Thanks Anuj On Wed, Oct 22, 2008 at 10:15 AM, Tracy Spratt <[EMAIL PROTECTED]>wrote:
> Yes, polling using Timer will work fine. I even have an example on > www.cflex.net, but it is pretty simple to do. > > Tracy > > > ------------------------------ > > *From:* [email protected] [mailto:[EMAIL PROTECTED] *On > Behalf Of *anuj sharma > *Sent:* Wednesday, October 22, 2008 12:02 AM > *To:* [email protected] > *Subject:* Re: [flexcoders] Re: How to keep Tree control synchronized with > the database. Please Help > > > > Hi Guys > Thanks for your different approaches to solve this problem.I will try all > of them and see which one will suit my management, but i really appreciate > that. I have one solution which recently struck me , please let me know if > this is the right one. Can I use the Timer class to create a timer instance > which will periodically call HTTP and check which entries are in database > and update the dataProvider with the recent entries. Do you guys think this > is going to work. i am going to explore all the solutions recommended by you > guys and see which is most convenient and efficient to implement with my > deadline. > Please let me know if Timer thing is going to work for database. > Again Appreciate your help > Anuj > > On Tue, Oct 21, 2008 at 7:26 PM, markgoldin_2000 < > [EMAIL PROTECTED]> wrote: > > I have been working on a data pushing solution using Lightstreamer > push server. Works with Flex via Ajax bridge. True real time data > updates. Take a look at LS push server web site. They have examples > for Flex. > > > > --- In [email protected] <flexcoders%40yahoogroups.com>, john > fisher <[EMAIL PROTECTED]> wrote: > > > > I am working on a similar problem... > > I don't use PostGres, but there may be some sort of export to XML > > function. *If* that can fire on changes ( or you set up the > > inserts/updates that way), then you have something that an > httpservice > > can acquire directly. But somebody still has to ask the file if it > > changed... > > unless > > You use a socket connection to stuff an event into the dataprovider. > > Theres some examples in the adobe docs. > > or > > you poll, but don't refresh the whole html page, just the data in > the > > swf, and only when it changes. My users cant tell the difference > between > > polling and the socket connection in the two demos I made. > > > > I'm just a newbie, so if there is another way, I'd sure like to hear > > about it. > > > > John > > > > Paul Andrews wrote: > > > Isn't this simply a problem that multiple calls are required to > poll the database for change? I think the OP really needs a push type > service. > > > > > > There's no way to know that the database table has changed > without polling the database.. > > > > > > > > > > > > >
