#if NET45 using System; using Microsoft.AspNet; using Microsoft.AspNet.Abstractions; using Owin; namespace ErrorPageSample { public class Startup { public void Configuration(IAppBuilder app) { // Temporary bridge from katana to Owin app.UseBuilder(ConfigurePK); } private void ConfigurePK(IBuilder builder) { builder.UseErrorPage(); builder.Run(context => { throw new Exception("Demonstration exception"); }); } } } #endif