using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Hosting; using Microsoft.AspNetCore.Http; using Microsoft.AspNetCore.Mvc; using Microsoft.Extensions.DependencyInjection; namespace WebApp1 { public class Startup { #region snippet1 public void ConfigureServices(IServiceCollection services) { services.AddMvc() .SetCompatibilityVersion(CompatibilityVersion.Version_2_1); } #endregion public void Configure(IApplicationBuilder app, IHostingEnvironment env) { if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); } app.Run(async (context) => { await context.Response.WriteAsync("Hello World!"); }); } } }