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Seed the Database

Understand how to seed a database in ASP.NET Core MVC by creating a SeedData class that checks for existing data and inserts new records as needed. Learn how to integrate this seeding process into your application's startup to automate testing data setup and ensure your database has initial data for development or testing.

Introduction

“Seeding the database” means to store data into the database via code instead of having to manually add data after running the application. Seeding data is especially helpful for testing purposes. After testing is complete, the seeded data may possibly be replaced or removed.

How to seed a database in ASP.NET

Learn the new class you will need to create and which existing class you will need to update to seed your database.

Creating SeedData.cs

In the Models folder, you are creating a new class called SeedData. The purpose of this class is ...