ASP.NET vNext
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An introduction to ASP.NET vNext, discussing the benefits of Microsoft's new approach and providing an overview of the new and changed components.
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ASP.NET vNext
- 2. Once Upon a Time… Classic ASP – December 1996 ASP.NET 1.0 – January 2002 – Object Orientated ASP.NET 2.0 – November 2005 – New WebForms Controls ASP.NET 3.5 – November 2007 – WPF, WWF, WCF ASP.NET 4.0 – April 2010 – ASP.NET AJAX, LINQ ASP.NET 4.5 – August 2012 – Parallel Extensions ASP.NET 5.0 aka vNext – July 2015 2
- 3. Cons… Windows / IIS Only Fragmented Programing Model (Web API, Web Forms, MVC) Limited Dependency Injection System.Web (HttpContext) Reliance .NET Framework Administration Side-by-side Deployments Assembly Strong Naming Closed Source Heavy Pipeline 3
- 4. “ ” ASP.NET vNext is a leaner, more modular, cross-platform, cloud optimized and open source framework. SCOTT GUTHRIE Lots Has Changed 4
- 5. Pros… Cross-platform – Windows, Mac and Linux Open Source – http://github.com/aspnet/Home Dependency Injection Everywhere Modular – Everything as Packages (even the CLR) Server-side NuGet Packages – Either as Binary or Source Hosting Options – IIS, Self-hosting => Docker Unified Programming Model Cloud-ready Environment Based Configuration (JSON) Performance – No System.Web Dependency Configurable Request Pipeline – UseIdentity(), UseMvc() etc Supports OWIN (Open Web Interfaces for .NET) 5
- 7. Runtime Environments .NET Core Small and lean footprint (modular) Deployable with the application Updatable without affecting OS/applications Cross-platform (Windows, Mac and Linux) http://github.com/dotnet/coreclr However, some functionality not available .NET Framework (“Desktop”) The framework as you currently know it – assemblies loaded from the GAC 7
- 8. “ ” .NET Execution Environment (DNX) The DNX is an SDK containing everything needed to build and run an application, including the CLR in the case of Core CLR. It can be bin deployed with you application and as such can be deployed side-by-side with other applications on the server. (Used to be called k) 8
- 9. DNX Tooling / Commands DNX (X for eXecution) Entry point to the runtime, i.e. used to run an application: dnx <path to project.json> <command to run> Commands include run, web and build DNVM (VM for Version Manager) Runtime version manager Can fetch, install, upgrade and switch CLR DNU (U for Utility) Installs and restores packages for application Build and packages application for deployment 9
- 10. Demo 10
- 11. Solution Structure global.json Configures the solution as a whole by: Designates which folders contain code Specifies DNX version 11
- 12. Solution Structure References Same as before, but: Expanded to show different reference sets for different runtime environments (Desktop / Core) Drill down into reference dependencies Server-side 12
- 13. Solution Structure wwwroot Represents the actual root of the website when running on a web server Should contain only static files required to render the final page output (JS/CSS) Protects configuration files from hackers 13
- 14. Solution Structure Dependencies Client-side version of References Bower – “A package manager for the web” Configured using bower.json Bower tasks run by Gulp using gulpfile.js NPM – Jack of all trades package manager Configured using package.json 14
- 15. Solution Structure config.json New location and format for settings traditionally kept in web.config and machine.config Not just limited to name/value pairs Configuration not just limited to one file and JSON format, can source from: XML INI Database 15
- 16. Solution Structure hosting.ini Configuration information used when self-hosting an ASP.NET 5 website Specifies server type WebListener – Self-hosting Kestrel – Cross-platform Will change to be JSON based 16
- 17. Solution Structure project.json Configure frameworks Manage server-side dependencies Configure compiler settings – Release/Debug Commands for DNX Scripts for pre/post-build/pack/restore Does not contain Visual Studio settings (.xproj) 17
- 18. Solution Structure Startup.cs Simplistically – Replaces Global.asax Load configuration config.json Environment variables Configure dependency injection Configure pipeline / middleware UseMvc(), UseIdentity(), UseStaticFiles() 18
- 19. Demo 19
- 20. Further Topics Entity Framework 7 No more .edmx files MVC 6 Tag Helpers Project Migration Docker 20
- 21. Further Reading http://www.asp.net/vnext http://github.com/aspnet/Home/wiki http://www.codemag.com/article/1501061 https://weblogs.asp.net/scottgu/introducing-asp-net-5 http://blogs.msdn.com/b/webdev/archive/2014/06/17/dependenc y-injection-in-asp-vnext.aspx http://wildermuth.com/2015/2/25/A_Look_at_ASP_NET_5_Part_1_- _Getting_Started http://www.hanselman.com/blog/PublishingAnASPNET5AppToDock erOnLinuxWithVisualStudio.aspx 21
- 22. Questions? 22