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单项选择题 You are creating an ASP.NET Web site. You create a HTTP module named Custom Module， and you register the module in the web.config file.The Custom Module class contains the following code. Public Class Custom Module  Implements IHttpModule     Dim footerContent As String = Footer Content"Public Sub Dispose（） Implements IHttpModule.DisposeEnd SubEnd Class  You need to add code to CustomModule to append the footer content to each processed ASP.NET page. Which code segment should you use？（）

A、Public Sub New(ByVal app As HttpApplication) AddHandler app.EndRequest, AddressOf app_EndRequest  End Sub  Sub app_EndRequest(ByVal sender As Object, ByVal e As EventArgs)    Dim app As HttpApplication = TryCast(sender, HttpApplication)  app.Response.Write(footerContent)  End Sub 

B、Public Sub Init(ByVal app As HttpApplication) _  Implements IHttpModule.Init  AddHandler app.EndRequest, AddressOf app_EndRequest  End Sub Sub app_EndRequest(ByVal sender As Object, ByVal e As EventArgs)  Dim app As HttpApplication = New HttpApplication()  app.Response.Write(footerContent)  End Sub 

C、Public Sub New()  Dim app As HttpApplication = New HttpApplication()  AddHandler app.EndRequest, AddressOf app_EndRequest End Sub  Sub app_EndRequest(ByVal sender As Object, ByVal e As EventArgs)  Dim app As HttpApplication = TryCast(sender, HttpApplication)  app.Response.Write(footerContent)  End Sub 

D、Public Sub Init(ByVal app As HttpApplication) _  Implements IHttpModule.Init  AddHandler app.EndRequest, AddressOf app_EndRequest  End Sub  Sub app_EndRequest(ByVal sender As Object, ByVal e As EventArgs)  Dim app As HttpApplication = TryCast(sender, HttpApplication)app.Response.Write(footerContent)  End Sub

  • D

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