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https://issues.apache.org/jira/browse/FLEX-34588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14163476#comment-14163476
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Justin Mclean commented on FLEX-34588:
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It's a lot faster in more recent versions of the SDK. It may be easier to move
to a newer SDK than trying to retrofit the changes made. Adobe didm't donate
the code to the 3.x version of the SDK taking changes form the 4.x branch and
applying them to the 3.x branch is difficult to say the least
> Sorting a column in datagrid is very slow re: FLEX-18786 - is patch available
> for Flex SDK 3.2?
> -----------------------------------------------------------------------------------------------
>
> Key: FLEX-34588
> URL: https://issues.apache.org/jira/browse/FLEX-34588
> Project: Apache Flex
> Issue Type: Question
> Components: Advanced Data Grid, mx: DataGrid
> Affects Versions: Adobe Flex SDK 3.2 (Release)
> Environment: Windows XP/7
> Language: English
> Reporter: Peter Rieks
> Fix For: Adobe Flex SDK 3.2 (Release)
>
>
> When we click on header to sort the data, below lines of code is responsible
> for sorting and refreshing the datagrid and its taking more time than
> expected.
> Code snippet from Flex 3 Summary Dashboard
>
> (datagrid.dataProvider as ICollectionView).sort = sortColumn;
> (datagrid.dataProvider as ICollectionView).refresh();
>
> Please note: It has been observed that its taking longer time to sort the
> Text fields than Numeric fields.
> We believe this issue has already been solved, but only in Flex 4 - as per
> this > https://issues.apache.org/jira/browse/FLEX-18786
> Is a patch available that can be used with Flex SDK 3.2?
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