How to access the element of one mxml to another mxml?

Hi,
I have a component named storylist as below in StoryList.mxml
<mx:List id="storyList" width="100%" dataProvider="{this.currentDoc.stories}" height="100%" variableRowHeight="true" selectable="false" borderStyle="none"
itemRenderer="com.xxx.yyy.core.views.renderers.StoryRenderer">
</mx:List>
I want to access the storylist in another mxml CoreCanvas.mxml
private function onOpenFile (doc:IdmlDocument):void {
logger.info("onOpenFile");
this.editor.currentDoc = doc;
this.editor.storyList.dataProvider = this.editor.currentDoc.stories;
but when i declared as a bindable variable in StoryList.mxml --> [Bindable] public varstoryList:IdmlStory = null;
it gives an error
Description Resource Path Location Type
1151: A conflict exists with definition storyList in namespace internal. StoryList.mxml/WebEditorCore/src/com/xxx/yyy/core/views/editor line 10 Flex Problem
how can i access storylist in the other mxml file?
Message was edited by: Jochem van Dieten

I'm a bit confused about this design approach.
[Bindable] public var storyList:IdmlStory = null;
The reason why the above line fails to compile in StoryList.mxml is that a variable of the same name already exists. You have specified a List with an id of storyList. The translation process will yield:
var storyList:List = new List();
and then fill in the properties.

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