当列引用一个并不存在的字段时，列表视图控制的列。
Columns of list view controls, when the column refers to a field that does not exist.
在MVC框架中，您要为每个视图定义一个视图控制器。
In the MVC framework, you define one view controller for each view.
在这一节，可以开始深入项目正题，实现视图控制器。
With the view controller header out of the way, you're ready to dig into the meat of the project and to implement the view controller.
要做到这点，你需要为每个界面都添加一个视图和视图控制器。
To accomplish this, you add a View and a View Controller for each screen you want to have.
集成调试器主要是受Debug透视图控制的，如图17所示。
The integration debugger is primarily controlled from the debug perspective as shown in Figure 17.
每当用户在视图上执行一个操作时，每一个视图控制器就会接收到这个操作。
Each view controller receives the action every time the user performs an action on the view.
第一部分，清单6，介绍应用程序开始部分和视图控制器的初始化。
The first section, Listing 6, covers the application startup and the initialization of the view controller.
一个视图控制主题视图的外观，另一个视图作为回复层次结构的索引。
One view controls how the threaded view looks, and the other view ACTS as the response hierarchy index.
在你导向另外一个页面的时候，就把视图控制器放到视图控制器堆栈中。
When you want to go to another page, you push your view Controller (and associated view) onto the view Controller stack.
导览列和分页列，以及所有相关的呈现行为，都被视图控制物件管理和实现。
The navigation bar and the TAB bar, and all their associated presentation behavior, are managed and implemented by view controller objects.
你可以在文本视图控制文字的字体，颜色和对齐方式，但它们只适用于文本的全部内容。
You have control over the font, color, and alignment of the text in a text view, but only as they apply to the entirety of the text.
如之前所述，您必须为每一个应用程序窗口创建一个视图nib文件和视图控制器，并将视图关联到正确的视图控制器类上。
As described above, you must create a view NIB file and view controller for each application window to associate any view to the correct view controller class.
采用面向对象思想对典型结构件进行分析，并基于参数化造型方法和模型视图控制设计模式，实现典型结构件库的设计与开发；
Object oriented method is applied to analyze and describe the typical parts, parametric modeling and model-view-control (MVC) design mode are used to realize the database design and development.
作为一项最佳实践，在您想隐藏表中的部分列或行的时候，应该使用视图来控制对表的访问。
As a best practice, use views to control access to tables when you want to hide a subset of table columns or rows.
该视图将控制当前运行的程序，允许您通过程序查看堆栈和步骤。
This view controls the currently running program, allowing you to view the stack and step through the program.
该组件是控制视图可见性的一个实用组件。
This component is a utility that controls the visibility of views.
最大的不同是视图和控制逻辑被分离成两个完全不同的层。
The big difference is that the view and control logic is separated into completely distinct layers.
清单1显示了一个示例ASP文件，提供了视图和控制逻辑。
Listing 1 shows an example ASP file that provides both view and control logic.
J2EE提供了一些概念使视图和控制逻辑能很容易的分开。
J2EE provides constructs that allow view and control logic to be easily separated.
例如，不要将它放在应用程序的视图层和控制层之间。
For instance, don't put it between the view layer and the controller layer of an application.
这就是模型-视图-控制器和呈现-内容被认为是好东西的主要原因。
This is much of the reason that model-view-controller and presentation-content partitions are supposed to be good things.
Sitebricks是一种模型-视图-控制（MVC）类型的框架，不过它专注于应用程序中的控制器和视图。
Sitebricks is a model-view-control (MVC) style of framework, but it concentrates on the controllers and views in your application.
它对视图或控制器一无所知。
这种解耦使得视图和控制器更易于测试。
This decoupling makes it easier to test your views and controllers.
例如，在模型-视图-控制器(MVC)设计模式中，控制器调用方法。
For example, in the Model-View-Controller (MVC) design pattern, the controller invokes methods.
它还造成视图与控制器之间紧密耦合。
It also creates a tight coupling between the view and the controller.
该命令将创建模型-视图-控制器(mvc)的视图和控制器部分。
This command creates the proverbial view and controller part of Model-View-Controller (MVC).
您很可能也知道这种分离的根源要追溯到最早的设计模式之一：模型-视图-控制器。
You probably also know that the roots of this separation go back to one of the earliest design patterns: Model-View-Controller.
这种方法是分离关注点原则的一个变种，附在模型-视图-控制器架构中。
This approach is a variation of the separation of concerns principle embodied in the Model-View-Controller architecture.
我们的应用开发工具支持“IBM电子商务框架”，它支持模型-视图-控制器（MVC）概念。
Our application development tools support the IBM Framework for e-business, which advocates the model view controller (MVC) concept.
应用推荐