Book Image

MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF

Book Image

MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF

Overview of this book

MVVM (Model View View Model) is a Microsoft best practices pattern for working in WPF and Silverlight that is highly recommended by both Microsoft and industry experts alike. This book will look at the reasons for the pattern still being slow to become an industry standard, addressing the pain points of MVVM. It will help Silverlight and WPF programmers get up and running quickly with this useful pattern.MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF will help you to choose the best MVVM approach for your project while giving you the tools, techniques, and confidence that you will need to succeed. Implementing MVVM can be a challenge, and this book will walk you through the main issues you will come across when using the pattern in real world enterprise applications.This book will help you to improve your WPF and Silverlight application design, allowing you to tackle the many challenges in creating presentation architectures for enterprise applications. You will be given examples that show the strengths and weaknesses of each of the major patterns. The book then dives into a full 3 tier enterprise implementation of MVVM and takes you through the various options available and trade-offs for each approach. During your journey you will see how to satisfy all the demands of modern WPF and Silverlight enterprise applications including scalability, testability, extensibility, and blendability.Complete your transition from ASP.NET and WinForms to Silverlight and WPF by embracing the new tools of these platforms, and the new design style that they allow for. MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF will get you up to speed and ready to take advantage of this powerful new presentation platform.
Table of Contents (21 chapters)
MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF
Credits
Foreword
About the Authors
About the Reviewer
www.PacktPub.com
Preface
MVVM Frameworks
Index

Chapter 9. Validation

By Muhammad Shujaat Siddiqi

XAML technologies help us make rich applications for our customers in both web and desktop environments, allowing for better usability than the traditional applications. Validation is key to creating a good user experience, and having access to good validation tools is essential for being able to quickly create robust validations in an application. These tools should be generic enough to support various requirements and should not have a significant effect on application responsiveness. Validation tools should be flexible enough to allow validation issues to be communicated to users in the most elegant way, saving users the time and effort it would take to understand the issues with the data entered. WPF and Silverlight provide several tools to help us define the validation in our applications. There are so many tools available, and they have so much detail, that it is not possible to cover them all in a single chapter. However, we will...