单项选择题

A.Response.Cache.SetCacheability(HttpCacheability.Priva……

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);

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B.ipaddr = Session["REMOTE_ADDR"].ToString();
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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. The application has a mobile Web form that contains the following ObjectList control： <mobile：ObjectList ID= ObjectListCtrl OnItemCommand= ObjectListCtrl_ItemCommand Runat= server > <Command Name= CmdDisplayDetails Text= Details > <Command Name= CmdRemove Text= Remove > < mobile：ObjectList> You create an event handler named ObjectListCtrl_ItemCommand. You need to ensure that the ObjectListCtrl_ItemCommand handler detects the selection of the CmdDisplayDetails item. Which code segment should you write？（）

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