Begin by replacing the code that creates the Edit option in the Student controller listing function with the code from listing 21.

首先用清单21中的代码代替用来创建Student控制器的listing函数内的Edit选项的那些代码。

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For example, to enable product editing support we can implement the HTTP-GET version of our "edit" action method on our Products controller like below and then invoke the "Add View" command.

例如，要支持产品编辑，我们可以象下面这样在Products控制器上实现“Edit”action方法的HTTP - GET版本，然后调用“添加视图”命令。

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To save edit changes we can implement the HTTP-POST version of our "edit" action method on our Products controller.

要保存编辑后的改动，我们可以在Products控制器中实现“Edit”action方法的HTTP - POST版本。

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While the Xbox 360 requires a quick trip to the dashboard to edit things like resolution and audio output, the Echo is easily configured without a gaming controller, thanks to a user interface that has the same look and feel as the rest of Media Center.

ENGADGET: Ceton Echo Windows Media Center Extender review HD