The document contains code snippets for a .NET user group, showcasing a simple 'Hello World' application in both .NET and ASP.NET Core. It outlines the structure of the ASP.NET Core application, including methods for handling requests and configuring services and middleware. Additionally, it provides links to GitHub and NuGet for further exploration of .NET core resources.

1. .NET User Group 2020

3. static void Main(string[] args)
{
Console.WriteLine("Hello World!");
}
.method private hidebysig static void Main(string[] args) cil
managed
{
.entrypoint
// Code size 13 (0xd)
.maxstack 8
IL_0000: nop
IL_0001: ldstr "Hello World!"
IL_0006: call void
[System.Console]System.Console::WriteLine(string)
IL_000b: nop
IL_000c: ret
} // end of method Program::Main

7. ASP.NET Core run on both .NET
Core and .NET Framework

10. Open source and fast releases cycles
https://github.com/dotnet/core

12. https://www.techempower.com/benchmarks

15. Request
Response
ASP.NET application
Application_BeginRequest() {...}
Application_AuthenticateRequest() {...}
Application_AuthorizeRequest() {...}
Application_ProcessRequest() {...}
Application_EndRequest() {...}
Application_HandleError() {...}

16. ASP.NET Core application
IIS
Apache
Nginx

18. Reverse
proxy
Client
Web server
Web server
Internet

20. ASP.NET Core application

21. ASP.NET application

22. https://www.nuget.org/package
s/Microsoft.AspNetCore.App/

23. public class Program
{
public static void Main(string[] args)
{
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
});
}

24. public class Startup
{
public void ConfigureServices(IServiceCollection services)
{
}
public void Configure Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
}
}