Suppose You Develop A Windows Based Application. The Application Uses A DataSet Object That Containstwo DataTable Objects. The Application Will Display Data From The Two Data Tables. One Tablecontains Customer Information, Which Must Be Displayed In A Data Bound ListBox Control. Theother Table Contains Order Information, Which Must Be Displayed In A DataGrid Control.You Need To Modify Your Application To Enable The List Box Functionality. What Should You Do?A. Use The DataSet.Merge Method.B. Define Primary Keys For The DataTable Objects.C. Create A Foreign Key Constraint On The DataSet Object.D. Add A DataRelation Object To The Relation Collection Of The DataSet Object.

⟩ Suppose You develop a Windows-based application. The application uses a DataSet object that containstwo DataTable objects. The application will display data from the two data tables. One tablecontains customer information, which must be displayed in a data-bound ListBox control. Theother table contains order information, which must be displayed in a DataGrid control.You need to modify your application to enable the list box functionality. What should you do?A. Use the DataSet.Merge method.B. Define primary keys for the DataTable objects.C. Create a foreign key constraint on the DataSet object.D. Add a DataRelation object to the Relation collection of the DataSet object.

D. Add a DataRelation object to the Relation collection of the DataSet object.

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Suppose You are creating an ASP.NET application for XYZ. Your application will call an XML Web servicerun by Wide World Importers. The XML Web service will return an ADO.NET DataSet objectcontaining a list of companies that purchase wine.You need to make the XML Web service available to your application.What should you do?A. On the .NET tab of the Reference dialog box, select System.Web.Services.dll.B. In the Web References dialog box, type the address of the XML Web service.C. Add a using statement to your Global.asax.cs file, and specify the address of the XML Webservice.D. Write an event handler in the Global.asax.cs file to import the .wsdl and .disco files associatedwith the XML Web service.

Suppose You are planning the deployment of an ASP.NET application named XYZApp. XYZApp uses aVisual Studio .NET component named DataAccess that will be shared with other applications onyour Web server.You are using Visual Studio .NET to create a Windows Installer package. You need to deployDataAccess and the ASP.NET application so that they can be uninstalled later if necessary.What should you do?A. Create a setup project for DataAccess.Add the ASP.NET application in a custom action.B. Create a setup project for the ASP.NET application.Create another setup project for DataAccess.C. Create a Web setup project for the ASP.NET application.Add a project output for DataAccess.D. Create a Web setup project for the ASP.NET application.Add a merge module for DataAccess.

Suppose You are configuring your ASP.NET application XYZApp. XYZApp will be hosted on a Web serverthat also runs other applications.You want to prevent any changes to the configuration settings of your application after theapplication is deployed.What should you do?A. In the Machine.config file, set the allowOverride attribute in the location element to False.Make no other changes to the Machine.config file.B. In the Web.config file, set the allowOverride attribute in the location element to False.Make no other changes to the Web.config file.C. In the Machine.config file, set the allowOverride attribute in the appSettings element to False.Make no other changes to the Machine.config file.D. In the Web.config file, set the allowOverride attribute in the appSettings element to False.Make not other changes to the Web.config file.

Suppose You ASP.NET application manages order entry data by using a DataSet object namedEXorderEntry. The EXorderEntry object includes two DataTable objects named orderNames andOrderDetails. A ForeignKeyConstraint object named orderDetailsKey is defined between the twoDataTable objects.You attempt to delete a row in orderNames while there are related rows in OrderDetails, and anexception is generated.What is the most likely cause of the problem?A. The current value of OrderDetails.KeyDeleteRule is Rule.Cascade.B. The current value of OrderDetails.KeyDeleteRule is Rule.SetNull.C. The current value of OrderDetails.KeyDeleteRule is Rule.SetDefault.D. The current value of OrderDetails.KeyDeleteRule is Rule.None.

Suppose You create an ASP.NET application to provide corporate news and information to XYZ?semployees. The application is used by employees in New Zealand.Default.aspx has a Web Form label control named currentDateLabel. The Page.Load eventhandler for Default.aspx included the following line of codecurrentDateLabel.Text = DateTime.Now.ToString(?D?)You need to ensure that the data is displayed correctly for employees in New Zealand. Whatshould you do?A. In the Web.config file for the application, set the culture attribute of the globalization element toen-NZ.B. In the Web.config file for the application, set the uiCulture attribute of the globalization elementto en-NZ.C. In Visual Studio .NET, set the responseEncoding attribute in the page directive forDefault.aspx to UTF-8.D. In Visual Studio .NET, save the Default.aspx page for both versions of the application byselecting Advanced Save Options from the File menu and selecting UTF-8.

You are creating an ASP.NET page for a travel service. The page contains a CheckBoxListcontrol that contains travel destinations. Customer can select favorite destinations to receiveweekly e-mail updates of travel packages.The CheckBoxList control is bound to a database table of possible destinations. Each destinationis ranked according to its popularity. You modify the page to sort the destination list by rank, fromthe most popular to the least popular. The list has three columns.You want the most popular destination to be on the top row of the check box list at run time.Which property setting should you use for the CheckBoxList control?A. Set the RepeatDirection property to Vertical.B. Set the RepeatDirection property to Horizontal.C. Set the RepeatLayout property to Flow.D. Set the RepeatLayout property to Table.

Suppose You are creating an ASP.NET page for XYZ. The page uses string concatenation to gather datafrom multiple e-mail messages and format the data for display on the page.You want to ensure that the page displays as quickly as possible.What should you do?A. Write code that uses the Append method of the StringBuilder object.B. Write code that uses the Substring method of the String object.C. Write code that uses the Concat method of the String object.D. Write code that uses the plus-sign (+) operator to concatenate the strings.

You are creating a Web site for XYZ. You receive product lists in the form of XML documents.You are creating a procedure to extract information from these XML documents according tocriteria that your users will select.When a user makes a request, you want the results of these requests to be returned as quicklyas possible. What should you do?A. Create an XmlDataDocument object and load it with the XML data.Use the DataSet property of the object to create a DataSet object.Use a SQL SELECT statement to extract the requested data.B. Create an XmlDataDocument object and load it with the XML data.Use the SelectNodes method of the object to extract the requested data.C. Create an XPathDocument object and load it with the XML data.Call the CreateNavigator method to create an XPathNavigator object.Call the Select method of the XPathNavigator object to run an XPath query that extracts therequested data.D. Create an XmlReader object.Use the Read method of the object to stream through the XML data

You create an ASP.NET page that uses images to identify areas where a user can click to initiateactions. The users of the application use Internet Explorer.You want to provide a pop-up window when the user moves the mouse pointer over an image.You want the pop-up window to display text that identifies the action that will be taken if the userclicks the image.What should you do?A. For each image, set the AlternateText property to specify the text you want to display, and setthe ToolTip property to True.B. For each image, set the ToolTip property to specify the text you want to display.C. In the onmouseover event handler for each image, add code that calls the RaiseBubbleEvent()method of the System.Web.UI.WebControls.Image class.D. In the onmouseover event handler for each image, add code that calls the ToString() methodof the System.Web.UI.WebControls.Image class.

You create an ASP.NET application that produces sales reports for the XYZ corporation.The sales data is stored in a Microsoft SQL Server database that is used for transactionprocessing. The application consists of complex Transact-SQL statements.Many users report that the report generation is taking longer to run each day. You need toimprove response times.What are two possible ways to achieve this goal? (Each correct answer presents a completesolution. Choose two)A. Use an OleDbDataAdapter indexes exist on the SQL Server tables.B. Ensure that appropriate indexes exist in the SQL Server tables.C. Rewrite your SQL statements to use aliases for all table names.D. Rewrite your direct SQL statements as stored procedures and call the stored procedures fromyour application.E. Configure queries to run in the security context of the user who is running the query.

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