單項(xiàng)選擇題

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）； 
} 
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} 
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

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單項(xiàng)選擇題

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" /> 
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</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. （Line numbers are included 
for reference only.） 
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
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