Dependency Injection Using Unity – Resolve Dependency Of Dependencies

This article will not be very theoretical, but would be more of a tutorial to showcase the existing problems with tightly coupled applications, how to make the application loosely coupled and achieve inversion of control via dependency injection.

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Introduction

Inversion of control (IOC) and Dependency Injection (DI) work hand in hand and makes our application more loosely coupled and easy to expand. It is strongly recommended to follow SOLID principles when it comes to development. This article will not be very theoretical but would be more of a tutorial to showcase the existing problems with tightly coupled applications, how to make the application loosely coupled and achieve inversion of control via dependency injection, solve the problem of resolving dependency of a dependency in a three-layered/n layered project architecture using unity framework. You can get the downloadable source code at the end of the article.

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