QUESTION 22
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a custom Web user control named SharedControl. The control will be compiled as a library.
You write the following code segment for the SharedControl control. (Line numbers are included for reference only.) 
01 protected override void OnInit(EventArgs e) 
02 { 
03 base.OnInit(e); 
04 
05 } 
All the master pages in the ASP.NET application contain the following directive.
<%@ Master Language="C#" EnableViewState="false" %> 
You need to ensure that the state of the SharedControl control can persist on the pages that reference a master page.
Which code segment should you insert at line 04?
 
A.Page.RegisterRequiresPostBack(this);
B.Page.RegisterRequiresControlState(this);
C.Page.UnregisterRequiresControlState(this);
D.Page.RegisterStartupScript("SharedControl","server");

Answer: B

QUESTION 23
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a page that contains the following code fragment.
 
 
You write the following code segment in the code-behind file for the page.
    void BindData(object sender, EventArgs e) { 
        lstLanguages.DataSource = CultureInfo.GetCultures(CultureTypes.AllCultures); 
        lstLanguages.DataTextField = "EnglishName"; lstLanguages.DataBind(); 
    }
 
You need to ensure that the lstLanguages ListBox control maintains the selection of the user during postback.
Which line of code should you insert in the constructor of the page?
 
A.this.Init += new EventHandler(BindData);
B.this.PreRender += new EventHandler(BindData);
C.lstLanguages.PreRender += new EventHandler(BindData);
D.lstLanguages.SelectedIndexChanged += new EventHandler(BindData);

Answer: A