SMART datagrid v.1 > Classes > DataColumn
Sorting direction of this column. It specifies by SortDirection constant.
If it is not sorted column, the return value will be meaningless. You can check sorting by sortOrder property.
Defaults to SortDirection.ASCENDING.
$('#setSortDirection').click(function () {
var col = grid.focusedColumn();
col.setSortDirection(DataLudi.SortDirection.DESCENDING);
});