Implementing Repository Pattern in ASP.NET MVC Application
Learn how to implement the Repository Pattern in an ASP.NET MVC application with Developer Evangelist Dhananjay Kumar. Discover the advantages, step-by-step process, project structure, and overcoming difficulties associated with this pattern.
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Presentation Transcript
How to implement the Repository Pattern in an ASP.NET MVC Application Dhananjay Kumar Developer Evangelist Infragistics Microsoft MVP http://debugmode.net
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Host : Dhananjay Kumar Developer Evangelist Infragistics 6 times Microsoft MVP @debug_mode Blog : http://debugmode.net Email : Dkumar@infragistics.com
Agenda What is Repository Pattern Advantages of Repository Pattern Step by Step implementing Repository pattern Creating Core Project Creating Infrastructure Project Creating Test Project Creating MVC Project
Advantage of Repository Pattern Business logic can be unit tested without data access logic Database access code can be reused Database access code is centrally managed so easy to implement any database access policies such that caching Easy to implement domain logics Domain entities or business entities are strongly typed with the annotations
Some of the difficulties Duplicate code Difficulty implementing any data related logic or policies such that caching Difficulty in unit testing the business logic without having the data access layer Tightly coupled business logic and database access logic
Project Structure Project Responsibility Type Core Project Domain entities and interface for database operations Libraries to perform database operations. Such as Entity Framework library. Unit Tests for Infrastructure projects MVC based web application using Infrastructure and Core projects libraries using Dependency Injection Class library Infrastructure Project Class library Test Project Unit Test MVC Project MVC
Let us write Code step by step to implement Repository Pattern
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