Section 7.2 Web Application Development with ASP.NET in VB

Learning Objectives

After you have completed this section, you should be able to

• use ASP.NET Ajax to add Ajax functionality to your ASP.NET web applications.

Activities

• Carefully read the learning objectives.
• Download and install the necessary packages such as Microsoft SQL Server Express and ASP.NET Ajax Control Toolkit from http://www.microsoft.com/express and https://www.devexpress.com/Products/AJAX-Control-Toolkit/?utm_source=Web&utm_medium=SiteShortcut&utm_campaign=AjaxControlToolkit&utm_content=AjaxControlToolkit_Web_SiteShortcut
• Find and study some sample applications using ASP.NET Ajax on the Web.
• Watch the presentation for the section;
• Read online Chapter 24, Web App Development with ASP.NET in VB: A Deeper Look, found at http://www.pearsonhighered.com/deitel/. You will need to get a valid access code from on the course Moodle site under News, to register, in order to access the online chapter.
• Review Section 18.6 through 18.9 of Chapter 18, Database: SQL, MySQL, LINQ and Java DB.
• Find answers to the study questions below.
• Visit https://dotnet.microsoft.com/en-us/learn/aspnet, and find some useful articles and videos.
• Do exercise 24.7 in Chapter 24.

Study Questions

1. What is the master page for a website/application?
2. How do you customize the CSS styles for a master page?
3. What is a website template? Can you benefit from using a website template in developing new web applications?
4. What can you do with the Web Site Administration Tool provided in the Visual Studio Express you installed?
5. With Visual Studio Express, how do you create a password-protected ASP.NET website?
6. In your ASP.NET web application, how do you connect to a database?
7. How do you create a content page accessible only to authenticated users?
8. How do you bind database data to a web control such as DropDownList or GridView through LINQ to SQL classes?
9. What is ASP.NET Ajax? What does Ajax stand for?
10. What are the differences between traditional web applications and Ajax web applications?
11. What are ASP.NET Ajax controls?
12. Do you need any additional package for developing Ajax web applications? If you do, where do you download the necessary Ajax extensions package?
13. How do you add ASP.NET Ajax controls to the Toolbox of your Visual Studio Express?
14. What capabilities does ASP.NET Ajax provide you?
15. What is an asynchronous request?
16. What is a callback function?
17. What are partial-page updates?
18. How do you implement a partial-page update using the UpdatePanel control?
19. How do you use the UpdatePanel control?
20. What does the ScriptManager control do?
21. What can ValidatorCalloutExtender controls be used for?

Review

Do the self-review exercises for Chapter 24.

Summary

Read the online Chapter 24 summary.