多项选择题
A. Apply the TemplateContainerAttribute to a property of type ITemplate. Pass the type of the template's naming container as the argument to the attribute.
B. Apply the TemplateContainerAttribute to the user control's class declaration.
C. Implement a property of type INamingContainer in the user control's code-behind class.
D. Implement a property of type ITemplate in the user control's code-behind class.
E. Define a new class that inherits from the ITemplate interface. Implement the InstantiateIn method of the ITemplate interface.
多项选择题 You create a control named ContosoUI for a Web application. You need to add the control to the toolbox of Microsoft Visual Studio .NET. Which two actions should you perform?（）
单项选择题 You develop a Web control. The Web control consists of labels and associated text boxes. You need to ensure that the Web control has both toolbox and visual designer support. What should you do?（）
多项选择题 You are creating a custom user control. The custom user control will be used on 10 Web Forms for an ASP.NET Web site that allows users to register and log on to a personalized experience. The custom user control uses two TextBox controls and two Button controls. You need to ensure that the controls are visible only when users are not logged on to the Web site. You also need to minimize the amount of effort in development and maintenance for the Web site. Which two actions should you perform?（）