using System.Collections.ObjectModel; namespace CodeFirstExistingDatabase.Migrations { using System; using System.Data.Entity; using System.Data.Entity.Migrations; using System.Linq; internal sealed class Configuration : DbMigrationsConfiguration { public Configuration() { AutomaticMigrationsEnabled = false; } protected override void Seed(CodeFirstExistingDatabase.PlutoContext context) { context.Authors.AddOrUpdate(a => a.Name, new Author { Name = "Author 7", Courses = new Collection() { new Course(){ Name = "Course for Author 7", Description = "Description 7"} } } ); } } }