单项选择题
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a page that contains the following control：
<asp：Calendar EnableViewState="false" ID="calBegin" runat="server" />
You write the following code segment in the code-behind file for the page：
void LoadDate（object sender， EventArgs e） {
if （IsPostBack） {
calBegin.SelectedDate = （DateTime）ViewState["date"]；
}
}
void SaveDate（object sender， EventArgs e） {
ViewState["date"] = calBegin.SelectedDate；
}
You need to ensure that the calBegin Calendar control maintains the selected date.
Which code segment should you insert in the constructor of the page？（）
A.A
B.B
C.C
D.D
相关考题
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单项选择题
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a Web page that has a GridView control named GridView1. The GridView1 control displays the data from a database named Region and a table named Location. You write the following code segment to populate the GridView1 control： 01 protected void Page_Load（object sender， EventArgs e） 02 { 03 string connstr； 04 05 SqlDependency.Start（connstr）； 06 using （SqlConnection connection = 07 new SqlConnection（connstr）） 08 { 09 SqlCommand sqlcmd = new SqlCommand（）； 10 DateTime expires = DateTime.Now.AddMinutes（30）； 11 SqlCacheDependency dependency = new 12 SqlCacheDependency（"Region"， "Location"）； 13 Response.Cache.SetExpires（expires）； 14 Response.Cache.SetValidUntilExpires（true）； 15 Response.AddCacheDependency（dependency）； 16 17 sqlcmd.Connection = connection； 18 GridView1.DataSource = sqlcmd.ExecuteReader（）； 19 GridView1.DataBind（）； 20 } 21 } You need to ensure that the proxy servers can cache the content of the GridView1 control. Which code segment should you insert at line 16？（）
A.Response.Cache.SetCacheability(HttpCacheability.Private);
B.Response.Cache.SetCacheability(HttpCacheability.Public);
C.Response.Cache.SetCacheability(HttpCacheability.Server);
D.Response.Cache.SetCacheability(HttpCacheability.ServerAndPrivate); -
单项选择题
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： 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"); -
单项选择题
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a Web page named Default.aspx in the root of the application. You add an ImageResources.resx resource file in the App_GlobalResources folder. The ImageResources.resx file contains a localized resource named LogoImageUrl. You need to retrieve the value of LogoImageUrl. Which code segment should you use？（）
A.A
B.B
C.C
D.D
