多项选择题 You create a Web Form that contains a TreeView control. The TreeView control allows users to navigate within the Marketing section of your Web site. The following XML defines the site map for your site. You need to bind the TreeView control to the site map data so that users can navigate only within the Marketing section. Which three actions should you perform?（）

单项选择题 Exhibit: You are developing a Web application. The Web application uses a GridView control to display data. You build your Web Forms for the Web application by dragging and dropping tables from the Data Connections tree in Server Explorer. You need to add a connection to your data by using the Add Connection dialog box as shown in the exhibit. During the process, you need to configure the .NET Data Provider that you use to create the data source objects. What should you do?（）

多项选择题 You load an XmlDocument named doc with the following XML. Dictionary World Atlas You need to change the value for the genre attribute to NA for all book attributes. First, you add the following code segment to your class. XmlElement root = doc.DocumentElement; XmlNodelist nodes = root.SelectNodes(“books/book”); Which additional two code segments can you use to achieve this goal? （）