EF CORE MIGRATIONS COMMANDS UPDATE
EF CORE MIGRATIONS COMMANDS CODE

So, let's update the database with generated migration class using the following command. protected override void OnModelCreating(ModelBuilder modelBuilder).public EmployeeDbContext(DbContextOptions options) : base(options).public class EmployeeDbContext : DbContext.If we have multiple migration scripts, then we have to provide the name along with command as follows. So, let's perform it as follows.įor now, we have only one migration script available that is why we are not providing the name of the migration.

Therefore, executing the migration scripts we have to execute ‘update-database’ command. So, let's execute the migration script and generate the database and tables. But we've not created the actual database and tables. We have only created the migration script which is responsible for creating the database and its table.

protected override void Down(MigrationBuilder migrationBuilder).

table.PrimaryKey( 'PK_Employees' , x => x.EmployeeId).

Designation = table.Column(nullable: true ).

CompanyName = table.Column(nullable: true ),.

Address = table.Column(nullable: true ),.

Annotation( 'SqlServer:ValueGenerationStrategy' , SqlServerValueGenerationStrategy.Identit圜olumn),

EmployeeId = table.Column(nullable: false ).

protected override void Up(MigrationBuilder migrationBuilder).

public partial class initialmigration : Migration.

namespace CodeFirstMigration.Migrations.

Enter CodeFirstMigrationas the name of the project and click OK.

Select the NET Core Web Application project template from the middle panel.

In New Project windows, from the left panel, select Installed > Visual C#> Web.Click to File> New > Project from the Menu.You can follow the below steps while creating an ASP.NET Core MVC application in Visual Studio 2017. Let us jump to Visual Studio 2017 and create a new ASP.NET Core MVC application. So, let's create a new application for the demonstration. In this demonstration, we will understand the Entity Framework Core migration step by step practically.

Migration always helps us to create, update and sync the database with your model classes.

EF CORE MIGRATIONS COMMANDS CODE

This article will help you to understand what the Code First approach is and how we can achieve it in ASP.NET Core MVC applications using Entity Framework Core migration. It is helpful when you don’t have a database ready and you want to start working with new fresh project and want to create a database and maintain the database directly from your code. From the code, means that you directly maintain the database and its corresponding tables from the. Code First is a technique which helps us to create a database, migrate and maintain the database and its tables from the code.

Ef core migrations commands