/decorator /Column Sort Decorator(decorator Config)
ColumnSortDecorator instance — end-users will never need to do
this themselves since grids are fully constructed based on their XML definition files by the
ColumnSortDecorator adds sort behaviour to the column headers. This is activated by a
click on the column header and results in the sort order changing between none, ascending and descending,
in that order.
config object (unused)
(static, readonly) SORT
What action on the column header triggers sorting.
Container Html Rendered()
Sort Column Changed()