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Mastering LOB Development for Silverlight 5: A Case Study in Action

You're reading from   Mastering LOB Development for Silverlight 5: A Case Study in Action Develop a full LOB Silverlight 5 application from scratch with the help of expert advice and an accompanying case study with this book and ebook

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Product type Paperback
Published in Feb 2012
Publisher Packt
ISBN-13 9781849683548
Length 430 pages
Edition 1st Edition
Languages
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Table of Contents (19) Chapters Close

Mastering LOB Development for Silverlight 5: A Case Study in Action
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Express Introduction to Silverlight FREE CHAPTER 2. Forms and Browsing 3. Data Binding 4. Architecture 5. RIA Services Data Access 6. Out of Browser (OOB) Applications 7. Testing your LOB Application 8. Error Control 9. Integration with other Web Applications 10. Consuming Web Services 11. Security Index

Accessing data


Data displayed or updated by a user is stored in a database. In our case, as we are oriented towards Microsoft technologies, it is stored in the SQL Server database.

If you are a veteran, you will remember how connections opened in Windows developments via databases from the application itself, and queries were executed. This was possible as these applications were in the same local network as our server.

When web technologies and globalization came in, things got more complicated. Our database server, due to security reasons, is located behind a firewall, so only certain users/servers can access it. Moreover, our application is executed in environments and languages which do not allow direct access to data, for instance, a web browser and JavaScript language. In order to solve this issue, there were two common options:

  • Legacy web applications used to make a post of the page on the server, accessing the database (no AJAX calls), at that stage. This was an easy approach, although...

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