BooksServiceAsyncSample.Startup.ConfigureServices C# (CSharp) Метод

        public void ConfigureServices(IServiceCollection services)
        {
            // Add framework services.     
            services.AddMvc().AddXmlSerializerFormatters();

            services.AddDbContext<BooksContext>(options =>
                options.UseSqlServer(Configuration["Data:BookConnection:ConnectionString"]));

            services.AddSingleton<IBookChaptersRepository, BookChaptersRepository>();
            _container = services.BuildServiceProvider();
        }