Repository pattern concept and implementation in asp.net MVC with C# and entity framework source code: https://github.com/imtiajahammad/RepositoryPatternWithCSharpAndEntityFramework #imtiajLearnings #imtiajFables

1. Repository Pattern with C#
and Entity Framework
Concept & implementation Overview

2. What is Repository Pattern?
Mediates between
 the domain and
 data mapping layers,
 acting like an in-memory collection of domain objects

3. Benefits
• Minimizes duplicate query logic

4. Benefits
• Decouples your application from persistence frameworks
• Promotes testability

5. Repository pattern in a nutshell
• Should act like a collection of memory
• Repository should not have save or update method
• Repository should not have semantics of your database
• Should only be a collection of objects and memory

6. Repository pattern in a nutshell
Then how are we going to save these objects to the database?
Solution: Unit of Work
Unit of Work: Maintains a list of objects affected by a business
transaction and coordinates the writing out of changes

7. Repository pattern in a nutshell

8. Implementing the Repository Pattern

9. Implementing the Repository Pattern

10. Implementing the Repository Pattern:IRepository

11. Implementing the Repository Pattern:Repository

12. Implementing the Repository Pattern:Repository

13. Implementing the Repository Pattern:Repository

14. Implementing the Repository Pattern:ICourseRepository

15. Implementing the Repository Pattern:CourseRepository

16. Implementing the Repository Pattern:IAuthorRepository

17. Implementing the Repository Pattern:AuthorRepository

18. Implementing the Repository Pattern:IUnitOfWork

19. Implementing the Repository Pattern:UnitOfWork

20. Implementing the Repository Pattern:Example

21. Thank you for your time
Reference:
https://www.youtube.com/watch?v=rtXpYpZdOzM&t=1374s&ab_channel=Programming
withMosh
Assembled by: Imtiaj Ahammad
Find me: https://www.linkedin.com/in/imtiaj-ahammad-2175a3130/
Source Code:
https://github.com/imtiajahammad/RepositoryPatternWithCSharpAndEntityFramework