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:Release Notes:
Improvement performance of DataList with alpha indexer

:Detailed Notes:
Improvement performance of DataList with alpha indexer

:Testing Performed:
Open sample page and review

:QA Notes:

:Issues Addressed:
[CCWMP-7599] Performance improvement of DataList Aplhabetical index
[CCWMP-4300] Develop Listview UI - button
Merge pull request #1 from kbs12e/test-2222

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