cool
--- In [email protected], "Steve Brownlee"
<[EMAIL PROTECTED]> wrote:
>
> Makes perfect sense. Thanks, Tim.
>
> --- In [email protected], "Tim Hoff" <TimHoff@> wrote:
> >
> >
> > Yes, but your dataGrid is in a child of a viewStack. It won't be
> > instantiated until yu change to that selectedIndex. You can use
the
> > viewStack's creationPolicy="all". But, that's not usually best
> > practice. Better to just use binding. Instead of:
> >
> > reportProjects.dataProvider = rptProjects;
> >
> > do something like:
> >
> > <mx:DataGrid dataProvider="{ rptReports }"/>
> >
> > Assuming that rptReports is an ArrayCollection, this will wait
until the
> > DataGrid is instantiated before setting the dataProvider.
> >
> > -TH
> >
> > --- In [email protected], "Steve Brownlee"
> > <steven.brownlee@> wrote:
> > >
> > > When attempting to assign a dataProvider to a DataGrid...
> > > reportProjects.dataProvider = rptProjects;
> > >
> > > I get the following error...
> > > Cannot access a property or method of a null object reference.
> > >
> > > The only difference between this DataGrid, and one that is
properly
> > > instantiated is that its on a Canvas that's not visible when the
> > > application starts. The statement happens after
creationComplete,
> > which
> > > I thought was the event that got fired after all objects were
created.
> > >
> > > creationComplete() > initApp() > loadProjects() > {problem
statement}
> > >
> > >
> > > Condensed version of design
> > >
> > > <mx:ViewStack>
> > > <mx:Canvas label="Data">
> > > ...
> > > </mx:Canvas>
> > > <mx:Canvas label="Reports">
> > > ...
> > > <mx:DataGrid id="reportProjects">
> > > ...
> > > </mx:DataGrid>
> > > </mx:Canvas>
> > > </mx:ViewStack
> > >
> > >
> > > I can't figure out why this DataGrid isn't getting
instantiated, or
> > how
> > > to ensure it does. Any help is greatly appreciated.
> > >
> > > - Steve
> > >
> >
>
