You are implementing an ASP.NET application. The application includes a Person class with property Age. You add a page in which you get a list of Person objects and display the objects in a GridView control. You need to add code so that the GridView row is highlighted in red if the age of the person is less than 18. Which GridView event should you handle？（）A、RowDataBoundB、RowCommandC、RowUpdatedD、RowEditing
You are implementing an ASP.NET application. The application includes a Person class with property Age. You add a page in which you get a list of Person objects and display the objects in a GridView control. You need to add code so that the GridView row is highlighted in red if the age of the person is less than 18. Which GridView event should you handle？（）
- A、RowDataBound
- B、RowCommand
- C、RowUpdated
- D、RowEditing
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单选题You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. You need to ensure that changes to ProductList are automatically reflected in the ListBox control. What should you do? （）A Implement the INotifyPropertyChanged interface in the Product class.B Implement the IQueryableProduct interface in the ProductList class.C Extend the DependencyObject class in the Product class.DExtend the ObservableCollectionProduct class in the ProductList class.
单选题You use Microsoft Visual Studio 2010 and Microsoft . NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a WPF window in the application. You add the following code segment to the application. public class ViewModel { public CollectionView Data { get; set; } } public class BusinessObject { public string Name { get; set; } } The DataContext property of the window is set to an instance of the ViewModel class. The Data property of the ViewModel instance is initialized with a collection of BusinessObject objects. You add a TextBox control to the Window. You need to bind the Text property of the TextBox control to the Name property of the current item of the CollectionView of the DataContext object. You also need to ensure that when a binding error occurs, the Text property of the TextBox control is set to N/A . Which binding expression should you use?（）A{ Binding Path=Data/Name, FallbackValue='N/A' }B{ Binding Path=Data.Name, FallbackValue='N/A' }C{ Binding Path=Data/Name, TargetNullValue='N/A' }D{ Binding Path=Data.Name, TargetNullValue='N/A' }
单选题You are implementing an ASP.NET page in an e-commerce application. Code in abtnAddToCart_Click event handler adds a product to the shopping cart. The page should check the status of the shopping cart and always show a cart icon when one or more items are in the shopping cart. The page should hide the icon when the shopping cart has no items. You need to add an event handler to implement this requirement. Which event handler should you add？（）AbtnAddToCart_ClickBPage_LoadCPage_PreRenderDPage_PreInit
单选题You are implementing an ASP.NET Web page. The page includes several controls， but only a GridView requires view state. You set the GridView… You need to ensure that the page will omit unneeded view state. Wich @ Page directive should you use？（）A% Page EnableViewState=”true” ViewStateMode=”Enabled” _ %B% Page EnableViewState=”true” ViewStateMode=”Disabled” _ %C% Page EnableViewState=”false” ViewStateMode=”Disabled” _ %D% Page EnableViewState=”false” ViewStateMode=”Enabled” _ %
单选题You are implementing an ASP.NET page that will retrieve large sets of data from a data source. You add a ListView control and a DataPager control to the page. You need to ensure that the data can be viewed one page at a time. What should you do？（）ASet the DataPager control’s PageSize property to the number of rows to view at one time.BSet the DataPager control’s PagedControlID property to the ID of the ListView control.CIn the code-behind file， set the DataPager control’s Parent property to the ListView control.DIn the code-behind file， set the ListView control’s Parent property to the DataPager control.
多选题You create a Visual Studio 2010 solution that includes a WCF service project and an ASP.NET project. The service includes a method named GetPeople that takes no arguments and returns an array of Person objects. The ASP.NET application uses a proxy class to access the service. You use the Add Service Reference wizard to generate the class. After you create the proxy， you move the service endpoint to a different port. You need to configure the client to use the new service address. In addition， you must change the implementation so that calls to the client proxy will return a List instead of an array. Which two actions should you perform？（）AIn the context menu for the service reference in the ASP.NET project， select the Configure Service Reference commSystem.Collections.Generic.ListBIn the context menu for the service reference in the ASP.NET project， select the Update Service Reference commaCChange the service interface and implementation to return a ListDEdit the address property of the endpoint element in the web.config file to use the new service address