In general, you should not have a 'name' property on things that subclass DisplayObject. One already exists and it is used for various things in Flex.
________________________________ From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Ryan Sent: Wednesday, October 17, 2007 9:49 AM To: [email protected] Subject: [flexcoders] Re: Very strange runtime error with a repeater. lol another correction, i meant name="myRepeater.name_element". The odd thing is that I can ADD as much data to the dataprovider as I want and re- executebindings all day, but if I remove ANY single element from the array or just clear the whole dataprovider array, the thing errors. --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "Ryan" <[EMAIL PROTECTED]> wrote: > > Correction, I do not have a name property set in the PROVIDER, but in the repeater there's > a name attribute on of one of the components that's set like > name="mydataprovider.name_element" If I clear out the data it shouldn't cause this > problem because the repeater shouldn't go through any iterations. If I remove one of the > elements in my array, the rest still have the "name_element" set so it shouldn't be a > problem in that case either.... > > Unless of course there's something I don't know about using a "name" in a repeater or > something like that. > > --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "Alex Harui" <aharui@> wrote: > > > > Do you have a 'name' property in your data provider objects? > > > > > > > > ________________________________ > > > > From: [email protected] <mailto:flexcoders%40yahoogroups.com> [mailto:[email protected] <mailto:flexcoders%40yahoogroups.com> ] On > > Behalf Of Ryan > > Sent: Monday, October 15, 2007 4:29 PM > > To: [email protected] <mailto:flexcoders%40yahoogroups.com> > > Subject: [flexcoders] Very strange runtime error with a repeater. > > > > > > > > I've used repeaters before so I definitely know how they work as a > > whole. I've never had > > the issue I'm about to describe and I've been fruitless in my search > > efforts. > > > > I have built a custom-component (sort-of a menu) that uses a repeater to > > list out the > > menu items. In the mxml I've set its dataProvider to (hypothetically) > > this.parentDocument.myArray (also tried parentApplication out of > > desperation which didn't > > help at all). When i place items into that array I can do > > myComponent.myRepeater.executeBindings and the new items show up just > > fine. > > > > The problem comes when I want to completely clear the list, remove an > > element of it, or > > set the list to something else (myArray = myOtherArray). Whenever I do > > any of these and > > then attempt to execute bindings, i get a huge error message...which > > follows: > > > > TypeError: Error #2007: Parameter name must be non-null. > > at flash.display::DisplayObject/set name() > > at MethodInfo-2196() > > at MethodInfo-1590() > > at Function/http://adobe.com/AS3/2006/builtin::apply <http://adobe.com/AS3/2006/builtin::apply> > > <http://adobe.com/AS3/2006/builtin::apply <http://adobe.com/AS3/2006/builtin::apply> > () > > at mx.binding::Binding/mx.binding:Binding::wrapFunctionCall() > > at mx.binding::RepeatableBinding/::recursivelyProcessIDArray() > > at mx.binding::RepeatableBinding/::recursivelyProcessIDArray() > > at mx.binding::RepeatableBinding/execute() > > at mx.binding::Binding/watcherFired() > > at mx.binding::Watcher/notifyListeners() > > at mx.binding::PropertyWatcher/eventHandler() > > at > > flash.events::EventDispatcher/flash.events:EventDispatcher::dispatchEven > > tFunction() > > at flash.events::EventDispatcher/dispatchEvent() > > at mx.core::UIComponent/dispatchEvent() > > at mx.core::Repeater/set dataProvider() > > at MethodInfo-2194() > > at Function/http://adobe.com/AS3/2006/builtin::call <http://adobe.com/AS3/2006/builtin::call> > > <http://adobe.com/AS3/2006/builtin::call <http://adobe.com/AS3/2006/builtin::call> > () > > at mx.binding::Binding/::innerExecute() > > at Function/http://adobe.com/AS3/2006/builtin::apply <http://adobe.com/AS3/2006/builtin::apply> > > <http://adobe.com/AS3/2006/builtin::apply <http://adobe.com/AS3/2006/builtin::apply> > () > > at mx.binding::Binding/mx.binding:Binding::wrapFunctionCall() > > at mx.binding::Binding/execute() > > at mx.binding::BindingManager$/executeBindings() > > at mx.core::UIComponent/executeBindings() > > at index/appClosed() > > at pages/__launchCloseButton_click() > > > > For clarity, ALL I'm doing is running executeBindings() and this > > happens. I've verified over > > and over that the data in my dataProvider array is clean and correct. > > > > The only difference between this repeater and ones I've done in the past > > is that this > > repeater is part of a custom component instead of part of my main mxml > > program. I can't > > imagine why this would be creating any issues, but whether or not it's > > related to that, I'd > > be VERY appreciative of any help that you all could give. I've been > > working on this on and > > off for four days now and I can't seem to get anywhere with it. > > > > Thanks, RV > > >
