public static void LogMigrations(DbContext db, Action <string> writeLine = null) { if (writeLine == null) { writeLine = Console.WriteLine; } var migrations = EFCoreHelper.GetAllMigrationsSQL(db); EFCoreHelper.LogMigrations(migrations, writeLine); }
static void Main() { using (var db = new BloggingContext()) { try { // Create Console.WriteLine("Inserting a new blog"); db.Add(new Blog { Url = "http://blogs.msdn.com/adonet" }); db.SaveChanges(); // Read Console.WriteLine("Querying for a blog"); var blog = db.Blogs .OrderBy(b => b.BlogId) .First(); // Update Console.WriteLine("Updating the blog and adding a post"); blog.Url = "https://devblogs.microsoft.com/dotnet"; blog.Posts.Add( new Post { Title = "Hello World", Content = "I wrote an app using EF Core!" }); db.SaveChanges(); // Delete Console.WriteLine("Delete the blog"); db.Remove(blog); db.SaveChanges(); } catch (Microsoft.EntityFrameworkCore.DbUpdateException) { Console.WriteLine(EFCoreHelper.DbUpdateExceptionInstructions); } EFCoreHelper.LogMigrations(db, Console.WriteLine); } }