MCPDMCPD(70-562)單項選擇題每日一練(2019.01.07)

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
You write the following code fragment. （Line numbers are included for reference only.） 
01  02 ID="rfValidator1" runat="server" 
03 Display="Dynamic" ControlToValidate="TextBox1" 
04 
05 > 
06 
07  
08 
09 
10 ID="ValidationSummary1" runat="server" /> 
You need to ensure that the error message displayed in the validation control is also displayed in the validation summary list. 
What should you do？（）

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？（）

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
You add an XmlDataSource control named XmlDataSource1 to the Web page. XmlDataSource1 is bound to an XML document with the following structure. 

You also write the following code segment in the code-behind file of the Web page. 

You need to add a BulletedList control named BulletedList1 to the Web page that is bound to XmlDataSource1. 
Which code fragment should you use?（）

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
You write the following code segment to create a class named MultimediaDownloader that implements the IHttpHandler interface. 
Namespace Contoso.Web.UI 
Public Class MultimediaDownloader
Implements IHttpHandler
 ... 
End Class 
End Namespace 
The MultimediaDownloader class performs the following tasks： ¡；¤It returns the content of the multimedia files from the Web server ¡；¤It processes requests for the files that have the .media file extension The .media file extension is mapped to the aspnet_isapi.dll file in Microsoft IIS 6.0. 
You need to configure the MultimediaDownloader class in the Web.config file of the application. Which code fragment should you use？ （）

You create a Microsoft ASP.NET AJAX application by using the Microsoft .NET Framework version 3.5. 
You attach Microsoft Visual Studio 2008 debugger to the Microsoft Internet Explorer instance to debug the JavaScript code in the AJAX application. 
You need to ensure that the application displays the details of the client-side object on the debugger console. 
What should you do？（）