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Learning ASP.NET Core MVC Programming

You're reading from  Learning ASP.NET Core MVC Programming

Product type Book
Published in Nov 2016
Publisher Packt
ISBN-13 9781786463838
Pages 326 pages
Edition 1st Edition
Languages
Authors (2):
Mugilan T. S. Ragupathi Mugilan T. S. Ragupathi
Profile icon Mugilan T. S. Ragupathi
Anuraj Parameswaran Anuraj Parameswaran
Profile icon Anuraj Parameswaran
View More author details

Table of Contents (18) Chapters

Learning ASP.NET Core MVC Programming
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Introduction to ASP.NET Core 2. Setting Up the Environment 3. Controllers 4. Views 5. Models 6. Validation 7. Routing 8. Beautifying ASP.NET MVC Applications with Bootstrap 9. Deployment of ASP.NET Core Application 10. Building HTTP-based Web Services Using ASP.NET Web API 11. Improving Performance of an ASP.NET Core Application 12. ASP.NET Core Identity

Dependency Injection


In most real-world projects, we do not instantiate any objects using the new instance in any of the Controllers, the reason being that we don't want to have tight coupling between the dependent components (between the Controller and the repository). Instead, we pass an interface to the Controller, and the Dependency Injection container (such as Unity) will create an object for us when it is needed for the Controller. This design pattern is commonly referred to as Inversion of Control.

Let's say that a class by the name of ClassA uses another class, ClassB. In this case, it is enough for ClassA to know about the behavior, methods, and properties of ClassB, and it doesn't need the internal implementation details of ClassB. So, we can abstract ClassB and make an interface out of the class, and then have that interface as the parameter instead of the concrete class. The advantage of this approach is that we can pass any class at runtime as long as it implements a commonly...

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