Developing Applications with ASP.NET Core/

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Implementing a Repository

Implementing a Repository

Learn how to implement a repository in your ASP.NET Core application.

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Repository interface

To implement a repository in your application, you need to start with implementing a repository interface. This interface will hold all method definitions that need to be implemented. For now, you are only focusing on CRUD operations.

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public interface IUserRepo
{
    User CreateUser(User user);
    IEnumerable<User> GetAllUsers();
    User GetUserById(int id);
    User UpdateUser(User user);
    User DeleteUser(int id);
}

It is a convention in C# to have your interface’s name start with the letter “I” as a prefix. Since this repository is going to be responsible for the User model, it is being named IUserRepo, and it has written all of the methods required. ...