The Complete Guide to ASP.NET Core MVC (.NET 5) - Implement Repository Interface

The video tutorial guides viewers through implementing a class that adheres to a specific interface within a repository pattern. It covers the use of generic types, dependency injection, and DB context from Microsoft Entity Framework Core. The tutorial explains how to implement various methods such as add, get, get all, get first or default, and remove, with a focus on eager loading and query filtering. The video also demonstrates how to handle order by operations and return results efficiently.

What is the purpose of making the repository class public and implementing the I repository interface?

• To allow the class to be used in different parts of the application

• To make the class private

• To avoid using dependency injection

• To restrict access to the class

How do you add an entity to the DB set?

• By directly modifying the database

• By using a SQL query

• By using the add method on the DB set

• By creating a new DB context

What is eager loading used for?

• To unload entities from memory

• To delay loading of related entities

• To load related entities in a single query

• To load only the main entity

What is the purpose of the get all method?

• To retrieve a single entity by ID

• To retrieve all entities with optional filtering and ordering

• To update all entities

• To delete all entities

How does the get first or default method differ from get all?

• It updates the first entity

• It returns a list of entities

• It returns the first entity that matches the criteria or null

• It deletes the first entity

What is the purpose of the remove method in the repository class?

• To add a new entity

• To remove an entity from the DB set

• To find an entity by ID

• To update an existing entity

What does the remove range method do?

• Adds a range of entities

• Removes a range of entities

• Updates a range of entities

• Finds a range of entities