Скачать или смотреть Entity Framework Code First Add Migration In ASP.NET MVC (#39)

Hello Viewers,
In this 39th lecture of asp.net mvc 5 tutorials for beginners
we should discuss about. How to add migration in asp.net mvc 5.

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What is a migration in entity framework asp.net mvc
Migration is an entity framework feature that keeps the database schema and our application model classes (also called entity class) in sync.
Entity Framework Code First Add Migration In ASP.NET MVC

If you have not enable migration then migration should not adding in asp.net mvc project

If you have not executed at-least the initial migration in your application you might get SqlException

This is because we do not have the database created yet. One way to create the database is by
Creating a migration code first approach and then
Executing that migration

To work with migrations, we can either use the Package Manager Console (PMC) or the .NET command-line interface (CLI). If you are using Visual Studio like me, then use the Package Manager Console.

Common entity framework migration commands

We will be using the following 3 common commands to work with migrations in entity framework.
enable-Migrations -ContextTypeName [Your DbContext Name Here]
Add-Migration - Adds a new migration
Update-Database - Updates the database to a specified migration

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