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  • Book Overview & Buying Mastering LOB Development for Silverlight 5: A Case Study in Action
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Mastering LOB Development for Silverlight 5: A Case Study in Action

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

By : Braulio Diez, Jose Fernando Almoguera, Pablo NAVARRO CASTILLO, Sebastian Stehle, Rocio Serrano, Reyes Garcia Rosado
4.4 (7)
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Mastering LOB Development for Silverlight 5: A Case Study in Action

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

4.4 (7)
By: Braulio Diez, Jose Fernando Almoguera, Pablo NAVARRO CASTILLO, Sebastian Stehle, Rocio Serrano, Reyes Garcia Rosado
Buy this Book

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 (13 chapters)
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Preface
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Preface
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LOB application case study: applying what we have learned
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Express Introduction to Silverlight
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1. Express Introduction to Silverlight
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Introduction to Silverlight
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Installation
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Silverlight architecture
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Dragging-and-dropping controls
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Interacting with Code-Behind
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XAML basic concepts
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Basic elements for layout definition
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LOB application case study: applying what we have learned
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Summary
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2. Forms and Browsing
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2. Forms and Browsing
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Controls definitions
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Creating windows and controls
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Creating modal dialogs
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Navigation
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Creating a sample Navigation Application
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Navigation control services
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LOB application case study: applying what we have learnt
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Summary
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3. Data Binding
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3. Data Binding
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Understanding DataSource
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Introducing the ViewModel
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Dependency properties
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Adding validations
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Converters
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LOB application case study: applying what we have learned
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Summary
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4. Architecture
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4. Architecture
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Patterns
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MVVM pattern
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MVVM Light Toolkit
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Managed Extensibilty Framework (MEF)
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Solution and folder structure
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LOB application case study: applying what we have learned
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Summary
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5. RIA Services Data Access
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5. RIA Services Data Access
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Accessing data
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RIA Services pieces
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Creating a Domain Service and consuming it from a Silverlight application
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CRUD
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Validation
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Advanced topics
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RIA Services and MVVM
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LOB application case study: applying what we have learned
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Summary
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6. Out of Browser (OOB) Applications
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6. Out of Browser (OOB) Applications
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Out of Browser (OOB)
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Executing an application in OOB mode
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Enhancing the experience—tooling up and updating
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Offline work
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Breaking the sandbox—trusted applications
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In-browser trusted applications
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LOB application case study: applying what we have learned
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Summary
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7. Testing your LOB Application
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7. Testing your LOB Application
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Types of testing
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Methodologies
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Unit testing with Silverlight
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Libraries to test Silverlight code
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LOB application case study: applying what we have learned
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Summary
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8. Error Control
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8. Error Control
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Following best practices
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Exception handling
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Understanding the exception types
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Logging
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Reporting bugs
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LOB application case study: applying what we have learned
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Summary
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9. Integration with other Web Applications
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9. Integration with other Web Applications
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Page architecture
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Communication between an ASPX page and Silverlight
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Accessing Silverlight from JavaScript
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Accessing JavaScript from Silverlight
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DOM handling from Silverlight
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Interaction between Silverlight and JavaScript
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LOB application case study: applying what we have learned
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Summary
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10. Consuming Web Services
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10. Consuming Web Services
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Definitions
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Implementing and consuming a WCF service
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Consuming a public API web service
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LOB application case study: applying what we have learned
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Summary
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11. Security
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11. Security
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Client-side security
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Server-side and communication security
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LOB application case study: applying what we have learned
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Summary
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Index
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Index

Chapter 1. Express Introduction to Silverlight

Nowadays, starting a web development poses a considerable challenge, since clients have got used to having powerful desktop-based interfaces at their disposal, which can also be delivered in record time. If we focus on Line of Business (LOB) applications, we find the additional challenge which is the fact that our apps have to be ready for massive changes, taking into account tight deadlines without sacrificing stability. All of us have suffered that "little last-minute change". Everybody has heard things like, "We got to change the way in which discounts for purchases are managed. This could be ready in just five minutes, couldn't it?"

To overcome such situations, web developers can make use of a combination of ASP.NET (webforms or MVC), HTML, JavaScript, AJAX, and the more advanced HTML 5 and jQuery.

Nevertheless, when we implement LOB applications we often find that:

  • We have to struggle in order to make our pages consistent in different browsers; even in different versions of the same browser.
  • Our developers have to learn a language to develop client side, and another one to develop the server side.
  • JavaScript is a polemic language—love it or hate it. For some developers it is not object-oriented (although it has OO capabilities) and is an interpreted language. One only has to forget to add a semicolon, or introduce a syntax error when typing a command, and our application may produce an execution time error.
  • HTML 5 only works in updated browsers. Could you imagine yourself telling your client something like, "Well, what you have to do is install the latest version of Chrome or IE on your 1,000 PCs. This is also applicable to your associate companies."
  • We have to mix business and presentation logic. We try to avoid going to the server, for instance, to make validations which do not require reading a database. That is to say, we mix the reading of an input or an HTML ComboBox with the realization of validations. For example, if the user chooses more than four high-end products and is a premium client, we can enable a special 10 percent discount. This causes serious trouble when changes are required in the page layout, even if they are insignificant.
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