Definitely a bug in NumericStepper.  Only suggestion I can make is that you put a little hack in that ignores the first change event and only acts on subsequent ones.

 

Matt

 


From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Devin Holloway
Sent: Thursday, July 14, 2005 10:47 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] NumericStepper change event executes on startup

 

I have a web service that executes on application initilization. When
using the Network Service monitor in FlexBuilder, I noticed that both
the send and result filters for the web service showed up twice. At
first I assumed this was a bug with the Network Service monitor. But
sometimes the web service call would fail for whatever reason, and
when it did, it would show two consecutive alert boxes telling me it
failed. That's when I figured that it is most likely being called
twice.

The web service sends back 10 results at a time, so I'm using the
numericstepper to request additional results. The only two places in
my application that calls the web service is in the Application
initialize and NumericStepper change attributes.

Out of curiosity, I removed the web service call in the Application
initilization and kept it in the NumericStepper change event. When
the application starts up, the web service still gets called (and
only called once according to the network service monitor).

My conclusion is that the NumericStepper's change event is
automactically executed after initilization, even though the livedocs
say that the change event is only executed when the value changes
from "user interaction".

<mx:NumericStepper id="pager" value="1" minimum="1"
maximum="{aws.ItemSearch.result.Items.TotalPages}"
change="aws.ItemSearch.send()"/>

Even though using the numericstepper to call the web service on
application startup works, that seems like an unnatural way to
develop. Does anyone have any thoughts on this?




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