Book Image

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

Book Image

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

Overview of this book

Microsoft Silverlight is fully established as a powerful tool for creating and delivering Rich Internet Applications and media experiences on the Web. This book will help you dive straight into utilizing Silverlight 5, which now more than ever is a top choice in the Enterprise for building Business Applications. "Mastering LOB Development for Silverlight 5: A Case Study in Action" focuses on the development of a complete Silverlight 5 LOB application, helping you to take advantage of the powerful features available along with expert advice. Fully focused on LOB development, this expert guide takes you from the beginning of designing and implementing a Silverlight 5 LOB application, all the way through to completion. Accompanied by a gradually built upon case study, you will learn about data access via RIA and Web services, architecture with MEF and MVVM applied to LOB development, testing and error control, and much more.With "Mastering LOB Development for Silverlight 5: A Case Study in Action" in hand, you will be fully equipped to expertly develop your own Silverlight Line of Business application, without dwelling on the basics of Enterprise Silverlight development.
Table of Contents (19 chapters)
Mastering LOB Development for Silverlight 5: A Case Study in Action
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Understanding the exception types


Eric Lippert made a very good summary about the different kinds of exceptions that can occur, at his blog http://bit.ly/d2cOZ4. We think this a good starting point for this part of the chapter.

Fatal exception

Fatal exceptions cannot be handled by the developer. You cannot catch them or release your resources. They are raised from the system because your machine or process is out of memory or your hardware is defective. Do not think too much about these exceptions. Show an error message to the user and try to close your application in a safe way if possible. Use the global error event handler for this scenario.

Boneheaded exceptions

These exceptions are your own fault and you should be able to prevent or at least handle them. They are thrown because of a bug in your program code. Try to reproduce the exception and fix the bug, but do not just catch the exceptions and show an error message. Typically, such an exception is thrown when you pass a null reference...