You are the newly appointed Web Application Developer at Certkiller.com. You make use ofMicrosoft .NET Framework v3.5 to create a Microsoft ASP.NET application. 
You create a page on the application that contains the code segment below：<asp：ListBox ID="lstBox1"AutoPostBack="true" runat="server" /> 
The page contains a code-behind file. The code below is written in the file：Private Sub BindData（ByVal sender As Object， ByVal e As EventArgs）
lstLanguages.DataSource = CultureInfo.GetCultures（CultureTypes.AllCultures）lstLanguages.DataTextField = "EnglishName"lstLanguages.DataBind（）End Sub 
You receive an instruction from management to make sure that lstBox1 ListBox control retains theselection of the Certkiller client during postback. You thus need to determine the appropriate codethat should be added in the constructor of the page. 
What should you do？（）

单项选择题You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  The application contains a page named Exams.aspx. Exams.aspx calls the following SQL query inorder to display names of exams in a GridView control：  SELECT ExamID， Name， Code FROM Exams  Another page named ExamInfo.aspx makes use of the Exam query string parameter in order todisplay information about an exam. The exam is identified by the ExamID field that is returnedfrom the SQL query， the name of the book is represented by the Name field returned from thequery， and the exam code is represented by the Code field. You add a HyperLink control to atemplate field of the GridView control.  You decide to declare the HyperLink control in order for it to display exams names. It should alsolink the user to ExamInfo.aspx in order to view the selected book.  How should you implement thisHyperlink？（）

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

单项选择题Certkiller.com has employed you as a system administrator. You make sue of .NET Frameworkv3.5 to create an ASP.NET application. The application contains a Web form file. This file isnamed MovieReviews.aspx.  The file is linked to a LinqDataSource DataSource named LinqDataSource1. LinqDataSource1contains a primary key named TestMovieID. The application also contains a DetailsView controlthat is named CKDetailsView. The code below is included in the MovieReviews.aspx file. （The linenumbers is included for reference purposes） 01 <asp：DetailsView ID= DView1  runat= server DataSourceID= LinqDS1 0304  > 05 <Fields> 06  <asp：BoundField DataField= TestID  HeaderText= No  InsertVisible= False 08  ReadOnly= True  SortExpression= TestID   > 09  <asp：BoundField DataField= Name  HeaderText= Name 10  SortExpression= Name   > 11  <asp：BoundField DataField= Cat  HeaderText= Category  SortExpression= Cat   > 13  <asp：CommandField ShowDeleteButton= false  ShowEditButton= True   14.  ShowInsertButton= True   > 15 < Fields> 16 < asp：DetailsView>  All Certkiller clients makes use of DView1. To ensure productivity you need to make sure that theyare able to insert and update content in the control. It is vital that you ensure the prevention ofduplivcation of the link button controls for the Edit and New operations. You thus need todetermine the appropriate code fragment you need to insert at line 3.  What should you do？（）

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

单项选择题You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication.  You decide to make use of Microsoft ASP.NET 3.5 in order to create the application. The followingmarkup is present on the page：  <asp：TextBox ID= _statusTextBox  runat= server >  <asp：Button ID= _button  runat= server  Text= Filter >  <asp：SqlDataSource ID= _sqlDataSource  runat= server    ConnectionString= <%$ ConnectionStrings：Certkiller %>   SelectCommand= GetUsers  SelectCommandType= StoredProcedure   FilterExpression= Active=1 AND Name LIKE ’{0}%’ >  <FilterParameters>  <asp：ControlParameter ControlID= _statusTextBox >  < FilterParameters>  < asp：SqlDataSource>  <asp：GridView ID= _CKGridView  runat= server  DataSourceID= _sqlDataSource >  The page is used to retrieve the Users from a company database. However， only the active usersare displayed. The TextBox control allows you to also filter users by status. You do not specify astatus when you click the Filter button. You notice that the page does not filter by active users andshows all the users that are retrieved from the database. You need to make the necessary settingsto ensure that only the active users are being displayed on the page when a status is notspecified.  What should you do？（）

A.You should ensure that a default value for the Status property of the ControlParameter controlis set.
B.You should ensure that the PropertyName property of the ControlParameter control is set toText.
C.You should ensure that the ControlParameter control’s ConvertEmptyStringToNull property isset to false.
D.You should ensure that the {0} placeholder in the FilterExpression property is replaced with the（？） symbol.

单项选择题You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  This application will be part of a solution that contains a Windows Communication Foundation （WCF） service project. The Web application will be used to make calls to a service identified in theWCF service project. Management is planning to host the Web application on a separate serverfrom the WCF service. They want the WCF service to perform remotely. You need to add areference to the WCF service.  What should you do？（）

A.You should add an assembly reference to the project.
B.You should add a project reference to the project.
C.You should add a Web reference to the project.
D.You should add a service reference to the project.

单项选择题You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You need to ensure that the application is able to load staff information from an XML file into aDataSet instance. The XML file contains an inline schema. You have to call a method of theDataSet class in order to load the information.  Identify how you can accomplish this？（）

A.You should call the ReadXml method with the ReadSchema XML read mode.
B.You should call the ReadXml method with the InferTypedSchema XML read mode.
C.You should call the ReadXmlSchema method.
D.You should call the ReadXml method with the InferSchema XML read mode.