If you are our Customer, please enter your Customer Name and password to login to the UserControlPanel.
如果是我们的客户，请输入你的客户名称及密码进入用户控制台。
2
Within this article, learn how to build an update panelcontrol that dynamically retrieves content asynchronously from the server, based on user events.
在本文中，学习如何构建一个更新面板控件，该控件可以根据用户活动动态地从服务器异步检索内容。
3
The controlpanel, when visible, enables the user to control the playback (start, stop, pause, mute, and so on).