Thanks Madhan,
I didn''t see the link at the bottom of the KB article the first time.
>Hi Mark,
>
>The GridMultiColSortHelper is not an in-built class. Please refer to this
KB article. The GridMultiColSortHelper is a user defined class and has been designed to have multi column sorting in the GridDataBoundGrid.
>
>Let us know if you need any further information.
>
>Best regards,
>Madhan.