C# Dependency Injection Tutorial | C# Dependency Injection Example | C# Tutorial

2. Agenda

3. Agenda • What is Dependency Injection? • How to Implement Dependency Injection? • Constructor Injection • Property Injection • Method Injection • Conclusion

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5. What is Dependency Injection?

6. What is Dependency Injection? It's a software design pattern that enables for loosely coupled software. Dependency DI is a great way to reduce tight coupling between software components. DI also enables us to better manage future changes and other complexity in our software. DI's goal is to make code more manageable.

7. How to Implement Dependency Injection?

8. How to Implement Dependency Injection?

9. Constructor Injection

10. Constructor Injection The constructor injection usually has only one parameterized constructor Constructor Dependency There is no default constructor in constructor dependency. We need to pass the specified value during object creation. We can use the injection component anywhere within the class

11. Property Injection

12. Property Injection Property Dependency Property is typically used when we need parameter less constructor It could work without changing the object state.

13. Method Injection

14. Method Injection We only need to pass the dependency in the method when using method injection. Method Dependency We do not use constructor injection because it would create a dependent object every time that class is instantiated

15. Conclusion

16. Conclusion Dependency Injection helps in Reducing class coupling

17. Conclusion Dependency Injection Increases the reusability of code

18. Conclusion The Dependency Injection helps to improve code maintainability.

19. Conclusion Dependency Injection makes it feasible to conduct unit testing.