Its near impossible to get a Advanced datagrid to remember its opened nodes when it has fresh data

Theres a post in
http://www.mail-archive.com/[email protected]/msg85521.html//www.mail-archive.com/[email protected]/msg85521.html
which is basically saying its near impossible to get a Advanced datagrid to remember its opened nodes when it has fresh data
I'm having pretty much the same problem (exept I'm not filtering just getting the latest data from the server)as this guy and have been searching for a solution, heres what he said:
Sun, 02 Mar 2008 08:07:46 -0800
Hello guys,
I'm trying to filter my ADG without success :
I created a GroupingCollection from a flat ArrayCollection.
ADG's dataProvider is GroupingCollection.
First issue : refresh
if I filter the underlaying ArrayCollection, the related
groupingCollection doesn't refresh automatically (bug? feature?)
Actually I menaged to force gc.refresh() with some event( it is
impossible to listen on CollectionEventKind.REFRESH because of
infinite loop ac.refresh => gc.refresh )
Second issue (more important) : openNodes
Ok now that my gc is refreshed, the Tree in the ADG collapses itself
(ok let say that is normal), and I need it to expand all nodes that
were opened before.
I tried to do something like this :
var openNodes : Object = IHierarchicalCollectionView(
myADG.dataProvider ).openNodes;
gc.refresh();
myADG.dataProvider.openNodes = openNodes;
and it doesn't works.
next I tried this :
var openNodes : Object = IHierarchicalCollectionView(
myADG.dataProvider ).openNodes;
for each( var node : Object in openNodes )
IHierarchicalCollectionView( myADG.dataProvider.openNode( node )
guess what, doesn't work
I'm calling myADG.invalidateList() each time too.
I don't know what to do to achieve this simple task, I'm a bit
disappointed because I expected lot more from the brand new
AdvancedDataGrid and this basic functionality actually seems too hard
to implement.
I still hope I'm wrong and someone can show me the correct solution
Thank you all,
Adnan

Hi,
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Sorry, I must disagree! Yes, CPA's will download Oracle data into spreadsheets for analysis, but Excel is wanting, especially for hypothesis testing, correlational analysis and data mining. Oracle's ODM, however, is truly stunning, light-years ahead of PC-based tools:
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Hope this helps. . .
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Oracle Press author
Author of “Oracle Tuning: The Definitive Reference”
http://www.dba-oracle.com/bp/s_oracle_tuning_book.htm

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Its near impossible to get a Advanced datagrid to remember its opened nodes when it has fresh data

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