Reference values are useful if you design a Web form and the information on the status of the control is to be transmitted to a server. If the control is clicked by the user, the corresponding reference value is sent to the server.
当您设计了一个 Web 表单并向服务器传送控件的状态信息时，引用值非常有用。当控件被用户单击时，相应的引用值会发送到服务器。