what about xmllistcollection ?; --- thomas parquier http://www.web-attitude.fr/realisations/ msn : [email protected] softphone : sip:[email protected] <sip%[email protected]> téléphone portable : +33601 822 056
2010/4/19 James <[email protected]> > > > In my app I have an array collection which populates a tilelist. This array > collection is populated by a remote xml file via a http request. Problem is > if the xml only has 1 or no nodes I get a null object reference error. I > know this is a known problem but I've never been able to find a valid > solution for it which could be applied to my code. I've heard of looping > through the xml to create an array collection or using xmllist collection > but I don't know how these can be done whilst still allowing the data to be > displayed in the tilelist. Can anyone help me out please? > > The code for my httpservice, array collcection I'm trying to make and the > result of the http service and the tilelist it populates is shown below. As > I say this all works fine as long as the xml has more than 1 node but causes > the error if it doesn't:- > > <mx:HTTPService id="LinksService" result="linksResultHandler(event)" > resultFormat="object" method="POST" url=" > http://www.coolvisiontest.com/getlinks.php"/> > > <mx:Script> > <![CDATA[ > > import mx.rpc.events.ResultEvent; > import mx.collections.ArrayCollection; > > [Bindable] private var LinksFullAC:ArrayCollection; > > private function linksResultHandler(event:ResultEvent):void > { > LinksFullAC=LinksService.lastResult.categories.category as ArrayCollection; > } > > > ]]> > </mx:Script> > > <mx:TileList id="linkChoice" dataProvider="{LinksFullAC}" height="365" > width="665"/> > > Here's my xml structure:- > > <categories> > <category> > <id></id> > <label></label> > <icon></icon> > </category> > </categories> > > Obviously I need the array collection to be populated by id, label and > icon. > > Thanks for any suggestions. > > >
