Startup.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNet.Builder;
using Microsoft.AspNet.Hosting;
using Microsoft.AspNet.Http;
using Microsoft.AspNet.Routing;
using Microsoft.Extensions.DependencyInjection;

namespace WebAPIApplication
{
    public class Startup
    {
        public Startup(IHostingEnvironment env)
        {
        }

        // This method gets called by a runtime.
        // Use this method to add services to the container
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();
        }

        // Configure is called after ConfigureServices is called.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            // Add MVC to the request pipeline.
            app.UseMvc();
        }
    }
}