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Mastering Entity Framework Core 2.0

You're reading from   Mastering Entity Framework Core 2.0 Dive into entities, relationships, querying, performance optimization, and more, to learn efficient data-driven development

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781788294133
Length 386 pages
Edition 1st Edition
Languages
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Author (1):
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Prabhakaran Anbazhagan Prabhakaran Anbazhagan
Author Profile Icon Prabhakaran Anbazhagan
Prabhakaran Anbazhagan
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Table of Contents (20) Chapters Close

Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Dedication
Preface
1. Kickstart - Introduction to Entity Framework Core FREE CHAPTER 2. The Other Way Around – Database First Approach 3. Relationships – Terminology and Conventions 4. Building Relationships – Understanding Mapping 5. Know the Validation – Explore Inbuilt Validations 6. Save Yourself – Hack Proof Your Entities 7. Going Raw – Leveraging SQL Queries in LINQ 8. Query Is All We Need – Query Object Pattern 9. Fail Safe Mechanism – Transactions 10. Make It Real – Handling Concurrencies 11. Performance – It's All About Execution Time 12. Isolation – Building a Multi-Tenant Database

EmailAddress field validation


The Required validation was straightforward, but email validation is a little bit different; each developer would adopt different approaches for the validation. The emergence of jQuery validation provided consistent behavior for most of the validations. Later, the standard set by the HTML5 team is not adopted widely by all browsers and development teams.

Let's explore the EmailAddress built-in validation which would allow us to validate whether the value is a valid email or not. The following steps will help us in understanding how validation works:

  1. The data annotation was already discussed; we will be using the EmailAddress attribute in this section.

  2. The MVC engine scaffolding part, the validations, populating model state errors, and displaying errors on the screen, almost the entire process, would be the same for the remaining of the chapters. We can additionally cover how the validation is performed in each section as each of the in-built validation follow different...

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