Finally, although you can already add a new activity, you want to remove the unscheduled activities and re-sort the list in ascending order.
最后，尽管您可能已经添加了一项新的活动，但您还需要删除未安排的活动并按照升序重新对列表排序。
2
It allows your users to re-sort a view based on any column which you have so marked.
它允许用户基于进行了这样标记的任何列对视图重新排序。
3
Taking it a step further, you could even add the sorting links into the table headers manually and have them refresh the page, passing variables to re-sort the table accordingly.