Triggers the columnEditing event.
protected void onColumnEditing( ColumnEditingEvent event )
event
A ColumnEditingEvent object that provides the event data.
The columnEditing event occurs when a cell enters edit mode. For more information, see the DataGrid Control overview.
When overriding onColumnEditing, be sure to call super.onColumnEditing.
See Also addOnColumnEditing, removeOnColumnEditing