You use the following declaration to add a Web user control named TestUserControl.ascx to an ASP.NET page named TestPage.aspx.    You add the following code to the code-behind file of TestPage.aspx.  private void TestMethod（）{ ...}You define the following delegate.  public delegate void MyEventHandler（）；  You need to add an event of type MyEventHandler named MyEvent to TestUserControl.ascx and attach the page’s TestMethod method to the event. Which two actions should you perform？（）

多项选择题YoucreateaWebpagenamedTestPage.aspxandausercontrolnamedTestUserControl.ascx.TestPage.aspxusesTestUserControl.ascxasshowninthefollowinglineofcode.OnTestUserControl.ascx，youneedtoaddaread-onlymembernamedCityNametoreturnthevalue NewYork .YoualsomustaddcodetoTestPage.aspxtoreadthisvalue.Whichtwoactionsshouldyouperform？（）

A.Add the following line of code to the TestUserControl.ascx.cs code-behind file. public string CityName { get { return "New York"; } } 
B.Add the following line of code to the TestUserControl.ascx.cs code-behind file. protected readonly string CityName = "New York"; 
C.Add the following code segment to the TestPage.aspx.cs code-behind file. protected void Page_Load(object sender, EventArgs e) { string s = testControl.CityName; } 
D.Add the following code segment to the TestPage.aspx.cs code-behind file. protected void Page_Load(object sender, EventArgs e) { string s = testControl.Attributes["CityName"]; } 

单项选择题YoucreateaWebpagenamedTestPage.aspxandausercontrolnamedcontainedinafilenamedTestUserControl.ascx.YouneedtodynamicallyaddTestUserControl.ascxtoTestPage.aspx.Whichcodesegmentshouldyouuse？（）

A.protected void Page_Load（object sender， EventArgs e） { Control userControl=Page.LoadControl（"TestUserControl.ascx"）； Page.Form.Controls.Add（userControl）； }
B.protected void Page_Load（object sender， EventArgs e） { Control userControl = Page.FindControl（"TestUserControl.ascx"）； Page.Form.Controls.Load（userControl）； }
C.protected void Page_PreInit（object sender， EventArgs e） { Control userControl =Page.LoadControl（"TestUserControl.ascx"）；Page.Form.Controls.Add（userControl）； }
D.protected void Page_PreInit（object sender， EventArgs e） { Control userControl = Page.FindControl（"TestUserControl.ascx"）； Page.Form.Controls.Load（userControl）； }

单项选择题You are implementing an ASP.NET application that will use session state in out-of-proc mode. You add the following code. You need to add an attribute to the Person class to ensure that you can save an instance to session state.  Which attribute should you use?（）

A.Bindable
B.DataObject
C.Serializable
D.DataContract

单项选择题You are implementing an ASP.NET Web site.  The site allows users to explicitly choose the display language for the sites Web pages. You create a Web page that contains a DropDownList named ddlLanguage, as shown in the following code segment. The site contains localized resources for all page content that must be translated into the language that is selected by the user. You need to add code to ensure that the page displays content in the selected language if the user selects a language in the drop-down list. Which code segment should you use?（）

A.protected void SelectedLanguageChanged（object sender， EventArgs e） {Page.UICulture = ddlLanguage.SelectedValue；}
B.protected override void InitializeCulture（） {Page.UICulture = Request.Form["ddlLanguage"]；}
C.protected void Page_Load（object sender， EventArgs e） {Page.Culture = Request.Form["ddlLanguage"]；}
D.protected override void InitializeCulture（） {Page.Culture = ddlLanguage.SelectedValue；}

单项选择题You are creating an ASP.NET Web site.  The site has a master page named Custom.master.  The code-behind file for Custom.master contains the following code segment.   You create a new ASP.NET page and specify Custom.master as its master page. You add a Label control named lblRegion to the new page.  You need to display the value of the master page’s Region property in lblRegion. What should you do？ （）

A.Add the following code segment to the Page_Load method of the page code-behind file. CustomMaster custom = this.Parent as CustomMaster； lblRegion.Text = custom.Region；
B.Add the following code segment to the Page_Load method of the page code-behind file. CustomMaster custom = this.Master as CustomMaster； lblRegion.Text = custom.Region；
C.Add the following code segment to the Page_Load method of the Custom.Master.cs code-behind file. Label lblRegion = Page.FindControl（"lblRegion"） as Label； lblRegion.Text = this.Region；
D.Add the following code segment to the Page_Load method of the Custom.Master.cs code-behind file. Label lblRegion = Master.FindControl（"lblRegion"） as Label； lblRegion.Text = this.Region；