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https://issues.apache.org/jira/browse/FLEX-27684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean resolved FLEX-27684.
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Resolution: Not A Problem
> DropDownList selectedItem is ignored if dataprovider changes
> ------------------------------------------------------------
>
> Key: FLEX-27684
> URL: https://issues.apache.org/jira/browse/FLEX-27684
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: DropDownList
> Affects Versions: Adobe Flex SDK 4.5 (Release)
> Environment: Affected OS(s): All OS Platforms
> Affected OS(s): All OS Platforms
> Language Found: English
> Reporter: Adobe JIRA
>
> Steps to reproduce:
> 1. Create a DrownDownList, binding a selectedItem and an arrayCollection to
> the dataprovider
> 2. Change the selectedItem (it is not in the dataprovider at this point)
> 3. Change the dataprovider, selectedItem is now in the dataprovider, but
> selected index is now -1
>
> Actual Results:
> Nothing is selected
>
> Expected Results:
> SelectedItem is in DataProvider, it should be selected.
>
> Workaround (if any):
> Instead of binding against selectedItem, can bind selectedIndex with
> selectedIndex="{dataProvider.indexOf(selectedItem)}"
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