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Bind Datagrid to Linechart

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Hi, I am a CF developer starting to dabble in Flex. So far I
love it, but am stuck on something that I thought would be a lot
easier. (or maybe it is, but I have overcomplicated it). I would
have thought this a rather common requirement in Flex apps, so
maybe I am totally missing something here.



I have populate a Datagrid with data from an XML feed, and
want to bind a linechart to the selectedItem of the Datagrid. I was
able to do this easy enough with mx:TextInput, but I have been on a
wild goose chase through livedocs trying to get this to work with
the linechart.



A linechart is populate using an ArrayCollection.. fine, but
I can't find anywhere how to bind that ArrayCollection (or the
linechart directly) to the selectedItem of the DataGrid. I am
wondering still if there is an easier way to bind the Gridchart and
Linechart.



Thanks in advance to anyone who can point me in the right
direction.



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