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https://issues.apache.org/jira/browse/FLEX-34819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15645941#comment-15645941
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Justin Mclean commented on FLEX-34819:
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Any chance you could prove some sample code showing this issue?
> DataGrid with locked columns throws exception if dataProvider filter function
> shrinks values
> --------------------------------------------------------------------------------------------
>
> Key: FLEX-34819
> URL: https://issues.apache.org/jira/browse/FLEX-34819
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: DataGrid
> Affects Versions: Apache Flex 4.11.0, Apache Flex 4.12.0, Apache Flex
> 4.13.0
> Environment: Windows 7 - from inspection, probably system independent
> Reporter: Bill Turner
> Labels: DataGrid, exception, lockedColumnCount
>
> A Spark DataGrid with locked column will throw an "Index out of bounds"
> exception if the ArrayCollection dataProvider's filter function reduces the
> number of elements displayed.
> The DataGrid correctly handles the change of source data if there are no
> locked columns, or if the dataProvider itself is changed to the new
> collection.
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