You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The application allows users to post comments to a page that can be viewed by other users. You add a SqlDataSource control named SqlDS. You write the following code segment：  
01 private void SaveComment（）  
02 {  
03   string ipaddr；  
04 ► 
05   SqlDS1.InsertParameters["IPAddress"].DefaultValue = ipaddr；  
06   ... 
07   SqlDS1.Insert（）；  
08 }  
You need to ensure that the IP Address of each user who posts a comment is captured alongwith the user’s comment. 
Which code segment should you insert at line 04？（）

单项选择题You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. All the content pages in the application use a single master page. The master page uses a static navigation menu to browse the site.  You need to ensure that the content pages can optionally replace the static navigation menu with their own menu controls.  What should you do？（）

A.A
B.B
C.C
D.D

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：   <mobile：ObjectList ID= ObjectListCtrl   OnItemCommand= ObjectListCtrl_ItemCommand  Runat= server >   <Command Name= CmdDisplayDetails  Text= Details   >   <Command Name= CmdRemove  Text= Remove   >   < mobile：ObjectList>    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？（）

A.A
B.B
C.C
D.D

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 static bool ChkScreenSize（System.Web.Mobile.MobileCapabilities cap， String arg） { int screenSize = cap.ScreenCharactersWidth * cap.ScreenCharactersHeight；   return screenSize < int.Parse（arg）；   }  }    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？（）

A.A
B.B
C.C
D.D

单项选择题You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create an AJAX-enabled Web form by using the following code fragment：   <asp：ScriptManager ID= scrMgr  runat= server   >   <asp：UpdatePanel runat= server  ID= updFirstPanel  UpdateMode= Conditional >   <ContentTemplate>   <asp：TextBox runat= server  ID= txtInfo   >   <asp：Button runat= server  ID= btnSubmit  Text= Submit   >   < ContentTemplate>   < asp：UpdatePanel>   <asp：UpdatePanel runat= server  ID= updSecondPanel  UpdateMode= Conditional >  <ContentTemplate> ...  < ContentTemplate>   < asp：UpdatePanel>    When the updFirstPanel UpdatePanel control is updated， a dynamic client script is registered. You write the following code segment in the code-behind file of the Web form：   01 protected void Page_Load（object sender， EventArgs e）   02 {   03   if（IsPostBack）   04   {   05     string generatedScript = ScriptGenerator.GenerateScript（）；   06   07   }   08 }    You need to ensure that the client-script code is registered only when an asynchronous postback is issued on the updFirstPanel UpdatePanel control.  Which code segment should you insert at line 06？ （）

A.A
B.B
C.C
D.D

单项选择题You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You write the following code segment to create a JavaScript file named CalculatorScript.js：   function divide（a， b） {  if （b == 0） {   var errorMsg = Messages.DivideByZero；  alert（errorMsg）； return null；   }  return a b；   }   You embed the CalculatorScript.js file as a resource in a Class Library project.  The namespace for this project is Calculator.Resources.   The JavaScript function retrieves messages from a resource file named MessageResources.resx by using the JavaScript Messages object.  You add an AJAX Web form in the ASP.NET application. You reference the Class Library in the application.  You add an ASP.NET AJAX ScriptReference element to the AJAX Web form.  You need to ensure that the JavaScript function can access the error messages that are defined in the resource file.  Which code segment should you add in the AssemblyInfo.cs file？（）

A.A
B.B
C.C
D.D