单项选择题 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The  | English | Chinese | Japan | Korean | - 80 - Test Information Co.， Ltd. All rights reserved. application has a mobile Web form that contains the following ObjectList control.  You create an event handler named ObjectListCtrl_ItemCommand.  You need to ensure that the ObjectListCtrl_ItemCommand handler detects the selection of the CmdDisplayDetails item.  Which code segment should you write？（）

单项选择题 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The application has a mobile Web form that contains the following ObjectList control.  You create an event handler named ObjectListCtrl_ItemCommand.  You need to ensure that the ObjectListCtrl_ItemCommand handler detects the selection of the CmdDisplayDetails item.  Which code segment should you write？ （）

单项选择题 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  The application contains the following code segment. Public Class CapabilityEvaluator  Public Shared Function ChkScreenSize（ _  ByVal cap As System.Web.Mobile.MobileCapabilities， _  ByVal arg As String） As Boolean  Dim screenSize As Integer = cap.ScreenCharactersWidth * _  cap.ScreenCharactersHeight  Return screenSize < Integer.Parse（arg）  End Function  End Class  You add the following device filter element to the Web.config file.  <filter name="FltrScreenSize"  type="MyWebApp.CapabilityEvaluator，MyWebApp" method="ChkScreenSize" />  You need to write a code segment to verify whether the size of the device display is less than 80 characters.  Which code segment should you use？（）