Are you using data binding?
[Bindable] d:ArrayCollection;
...
<mx:AdvancedDataGrid dataProvider="{d}".../>
Greg
--- In [email protected], "whatabrain" <[EMAIL PROTECTED]> wrote:
>
> How do you replace the dataProvider of an AdvancedDataGrid?
>
> I'm reorganizing the data, and, for efficiency, I'd like to do so
in
> an ArrayCollection that's not linked to the ADG, and then replace
the
> dataProvider. I've had a lot of trouble getting this to work.
>
> First I tried the obvious (the dataProvider's name is "d"):
>
> var a:ArrayCollection = new ArrayCollection();
> ...
> this.d = a;
>
> The grid did not get updated visually, so I figured the class
member
> and the actual dataProvider may be disconnected. So I tried:
>
> this.dataProvider = a;
>
> This time, the grid updated somewhat (the "somewhat" was probably
do
> to unrelated bugs), but accessing the grid caused exceptions. For
> example, when I called isItemOpen(), an exception was thrown,
saying
> that my dataprovider class couldn't be cast to
> IHeirarchicalCollectionView.
>
> So I tried this.dataProvider.source, which caused the same
exception,
> and then this.dataProvider.source.source, which brought me back to
> the original state, where the grid wasn't visually updated.
>
>
> In all cases, I called d.refresh() and this.invalidateList() after
> making the changes.
>
> Any ideas?
>
