Contents
What is the use of repository pattern in C#?
In using the Repository design pattern, you can hide the details of how the data is eventually stored or retrieved to and from the data store. This data store can be a database, an xml file, etc. You can apply this design pattern to even hide how data that is exposed by a web service or an ORM is accessed.
Should I use repository pattern?
The Repository pattern makes it easier to test your application logic. The Repository pattern allows you to easily test your application with unit tests. Remember that unit tests only test your code, not infrastructure, so the repository abstractions make it easier to achieve that goal.
How to implement repository and unit of work pattern?
In this article we will try understand the basics of Repository and Unit of Work Pattern and will also create small ASP.NET MVC sample application to implement a generic repository and unit of work class using entity framework.
How to use multiple repositories and unit of work?
Later in the tutorial you’ll use multiple repositories and a unit of work class for the Course and Department entity types in the Course controller. The unit of work class coordinates the work of multiple repositories by creating a single database context class shared by all of them.
When to instantiate a repository in a controller?
When you instantiate the repository in your controller, you’ll use the interface so that the controller will accept a reference to any object that implements the repository interface. When the controller runs under a web server, it receives a repository that works with the Entity Framework.
How to implement a repository in ASP.NET MVC?
In the DAL folder, create a class file named IStudentRepository.cs and replace the existing code with the following code: This code declares a typical set of CRUD methods, including two read methods — one that returns all Student entities, and one that finds a single Student entity by ID.