Book Image

Microsoft Dynamics 365 Extensions Cookbook

Book Image

Microsoft Dynamics 365 Extensions Cookbook

Overview of this book

Microsoft Dynamics 365 is a powerful tool. It has many unique features that empower organisations to bridge common business challenges and technology pitfalls that would usually hinder the adoption of a CRM solution. This book sets out to enable you to harness the power of Dynamics 365 and cater to your unique circumstances. We start this book with a no-code configuration chapter and explain the schema, fields, and forms modeling techniques. We then move on to server-side and client-side custom code extensions. Next, you will see how best to integrate Dynamics 365 in a DevOps pipeline to package and deploy your extensions to the various SDLC environments. This book also covers modern libraries and integration patterns that can be used with Dynamics 365 (Angular, 3 tiers, and many others). Finally, we end by highlighting some of the powerful extensions available. Throughout we explain a range of design patterns and techniques that can be used to enhance your code quality; the aim is that you will learn to write enterprise-scale quality code.
Table of Contents (19 chapters)
Title Page
Credits
Foreword
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Replacing your LINQ data access layer with QueryExpressions


Given that we have refactored our plugin in the previous recipe, we will now demonstrate how easy it is to swap a concrete DAL class with an alternative implementation.

In this recipe, we will replace the LINQ EmailDataAccessLayer implementation with a QueryExpression implementation. We will also drop the unit of the work design pattern and use IOrganizationService instead of OrganisationServiceContext.

Getting ready

To implement this recipe, we will need the existing code structure from the previous recipe. If you are starting from scratch, you can follow the code structure from the previous recipe and replace the implementation with your own code.

As with any recipe that deals with C# code, it is strongly recommended that you use a stable version of Visual Studio. In our example, we will be using Visual Studio 2015.

How to do it...

  1. Create a new public class called EmailDataAccessLayerQueryExpression in the DataAccessLayer folder that...