BooksSample.Program.DeleteBooksAsync C# (CSharp) Метод

        private async Task DeleteBooksAsync()
        {
            using (var context = new BooksContext())
            {
                var books = context.Books;
                context.Books.RemoveRange(books);
                int records = await context.SaveChangesAsync();
                WriteLine($"{records} records deleted");
            }
            WriteLine();
        }

        static void Main()
        {
            var p = new Program();
            p.AddBookAsync("Professional C# 6", "Wrox Press").Wait();
            p.AddBooksAsync().Wait();
            p.ReadBooks();
            p.QueryBooks();
            p.UpdateBookAsync().Wait();

            ConflictHandlingAsync().Wait();

            p.DeleteBooksAsync().Wait();

        }