Modifying an event requires all the event data again, in order to fill the fields of the editing form with the current values.
修改活动再一次需要所有活动数据，以便用当前值填充编辑表单的字段。
2
The bottom panel of the main GUI consists of buttons for adding or modifying employee records, for clearing the form fields of a panel, and for exiting the application.
主gui的下面那个面板中包括一些用来添加或修改员工记录、清空面板中的字段以及退出程序的按钮。
3
In some situations, it may only be necessary to clarify coding instructions without modifying the actual data collection form.