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<WebMethod(Description:="Get Demo Image")> _ Public Function GetVistaImage() As Byte() Dim responseImage As Byte() Dim imagePath As String = AppDomain.CurrentDomain.BaseDirectory & _ "App_Data\VistaImage.jpg"

To help you master the exam objectives presented in this chapter, do all the following practices:

MessageBox.Show("Your name is " + aForm.textBox1.Text + " " + aForm.textBox2.Text);

responseImage = File.ReadAllBytes(imagePath)

End Class //C#

Practice 1 Create a simple table without indexes, insert 1,000,000 rows into the table, and write down the query cost and execution time for the insertion. Add one nonclustered index to the table, truncate the table, reinsert the 1,000,000 rows, and write down the query cost and execution time again. Add a few more nonclustered indexes and review the performance difference of populating the table after each index has been added. Practice 2 Create a simple table (with a row width of at least 50 bytes) without indexes and insert 1,000,000 rows into the table. Execute queries that retrieve 10, 100, 1,000, 10,000, and 100,000 rows (for example, using a BETWEEN filter on an identity column in the table) against the table without indexes and write down the query cost and number of page reads for each query. Create a clustered index on the column being searched, reexecute the queries, and write down the performance metrics again. Do the same thing for a covered and uncovered nonclustered index.

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linkLabel1.LinkVisited = true;

System;

The practice tests on this book s companion CD offer many options. For example, you can test yourself on just one exam objective, or you can test yourself on all the 70-433 certification exam content. You can set up the test so that it closely simulates the experience of taking a certification exam, or you can set it up in study mode so that you can look at the correct answers and explanations after you answer each question.

System.IO;

System.Web;

13. Press F5 to run the application. Click the LinkLabel to open the form. Test the access keys and both the Accept and the Cancel buttons.

For details about all the practice test options available, see the section entitled How to Use the Practice Tests in the Introduction to this book.

System.Web.Services;

11

icrosoft SQL Server 2008 comes loaded with a host of capabilities that widely extend the notion of the typical relational database management system (RDBMS). In this version of the software, support has been added for managing large binary data portions without them being stored inside the database files, while still allowing for transactional consistency and consistent backup and restore operations. Microsoft also made enhancements to SQL Server s support for Extensible Markup Language (XML) data and Common Language Runtime (CLR) code within the database. In this chapter, you learn what you need to get started using these new and enhanced capabilities.

The Button control is the primary command control for the user interface. The Button_Click event handler is the method that is executed when the button is clicked. The button can respond to other mouse button clicks via the MouseDown event. The FlatAppearance property governs how a Button looks and behaves when the FlatStyle property is set to Flat. By setting the DialogResult value of a Button control, you can create a Cancel or Accept button. You can then examine the result of the form as you would a stan dard dialog box. The Label control conveys read-only information to the user. You can use the Label to define an access key by setting the Text, TabOrder, and UseMnemonic properties. The LinkLabel control allows you to create Web-style links in your user interface. The LinkColor, ActiveLinkColor, and VisitedLinkColor properties control the color of the link in the LinkLabel control. You write code to open new forms or Web pages in the LinkLabel.LinkClicked event handler.

System.Web.Services.Protocols;

Exam objectives in this chapter:

Microsoft.Web.Services3;

text held by the TextBox property is accessible via the Text property. The text in the TextBox is editable if the ReadOnly property is set to False, which is the default. If the ReadOnly property is set to True, the user cannot edit the text displayed.

Microsoft.Web.Services3.Addressing;

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