Short-Training asp.net vNext

asp.net vNext is the next major version on .net on the server. It’s a completely new way to work with awesome possibilities ; It contains a new flexible and cross-platform runtime, new modular HTTP request pipeline, Cloud-ready CLR, an unified programming model that combines MVC, Web API, and Web Pages, a no-compilation dev experience, ability to self-host or host on IIS, …
Best of all : it’s Open source in GitHub (https://github.com/aspnet/Home)

1. Maxime Lemaitre – 11 /12/2014 asp.net vNext The future of the Server

2. Agenda Before to start Let’s create a new MVC project.. open the project file … add a reference … add a nuget package … build a class library… b uild & publish the project… edit source code… add some configuration … add a web api … p lay with bower/gulp/grunt … a sp.net core & project K Questions

3. Based on latest asp.net vNext version (Nov. 2014)

4. Let’s create a new MVC project … What’s different ? New sections wwwroot Dependencies New Solution structure Src , artefacts, … New files p roject.json global.json ( package.json ) (grunfile.js) ( bower.json ) Missing files/folders MVC Content/Scripts/ AppStart Web.config global.asax

5. Let’s open the project file … What’s different ? K Project file is smaller Where are references ? Where are source code files ? Where are X & Y ? A new project.json file Project settings Dependencies & Frameworks Commands (but still no files)

6. Let’s add a reference … What’s different ? No more direct dependencies No more GAC dependencies NuGet everything, even the runtime itself . Dependencies are now defined in project.json

7. Let’s add a nuget package …

8. Let’s add a nuget package … Brand New UI Version Selection Combined Installed /Online/Updates Workflows Version Consolidation Operation Previews Installation Options ( Dep behavior & conflict action) Infinite Scrolling …

9. Let’s build a class library … New project type Nuget packages “All the way” Cross compiling (net40, net45, aspnet , aspnetcore , …) Can be built via command line or VS

10. Let’s build & publish the project … What about the deployable package ? the assemblies never exist on the disk the compiler do all the work in memory Tip : > SET KRE_TRACE=1 Same experience between command prompt and VS Cross-platform

11. Let’s edit source code … vNext uses the Rosyln compiler to compile code dynamically. You will be able to edit a code file, refresh the browser, and see the changes without rebuilding the project . No-compile developer experience !

12. Let’s add some configuration … No more . config file ! But a new lightweight model Configuartion that works everywhere ( Core & Full CLR) C onfiguration can be instantiated and initialized by the application Tip : ConfigR may help… Program.cs Project.json Config.ini Config.xml Config.json Supports also command line arguments & environement variables !

13. Let’s add a web api … MVC, Web API, and Web Pages will be merged into one framework, called MVC 6 removes a lot of overlap between the existing MVC and Web API frameworks uses a common set of abstractions for routing, action selection, filters, model binding, and so on use the framework to create both UI (HTML) and web APIs . No dependency to System.Web leaner framework, with faster startup time and lower memory consumption

14. Let’s play with bower/gulp/grunt … VS 2015 Preview has built-in support for popular package managers Bower . Described as a “package manager for the web,” Bower lets you install and restore client-side packages, include JavaScript and CSS libraries. Grunt  and  Gulp . Grunt and Gulp are JavaScript-based task runners. npm   : npm is a package manager that was originally created for Node.js. Bower, Grunt, and Gulp all use npm . wwwroot folder All of the static files (generated or not) in your project go into this folder

15. Microsoft’s Special K KRE  – K Runtime Environment is the code required to bootstrap and run an ASP.NET vNext application. This includes things like the compilation system, SDK tools, and the native CLR hosts. KVM  – K Version Manager is for updating and installing different versions of KRE. KVM is also used to set default KRE version. KPM  – K Package Manager manages packages needed by applications to run. Packages in this context are NuGet packages. Read more here

16. Levels of abstractions The host application  – in the past this was ALWAYS Microsoft Internet Information Server (IIS). This could be IIS, IIS with Helios, Katana, or some other OWIN capable host. The CLR framework  – previously you would choose which version of the Microsoft.NET framework you wanted to use. This may be .NET 4.5.2, K runtime, or Mono. The Application Host  – previously, this would be the W3C executable. Now, this can be a host for the Visual Studio designer, or the new Microsoft.Host.Runtime . Your Application  – Your application now loads the former ASP.NET frameworks (MVC, WebAPI , or SignalR ) as part of its dependencies. Read more here

17. New flexible and cross-platform runtime New modular HTTP request pipeline Cloud-ready environment configuration Unified programming model that combines MVC, Web API, and Web Pages Ability to see changes without re-building the project Side-by-side versioning of the .NET Framework Ability to self-host or host on IIS New tools in Visual Studio 2015 Open source in GitHub Asp.net vNext Features Read more here

18. Questions

19. Continue reading … http:// www.asp.net/vnext/overview/aspnet-vnext http:// channel9.msdn.com/Events/Visual-Studio/Connect-event-2014/011 http:// www.tugberkugurlu.com/archive/exciting-things-about-asp-net-vnext-series-the-ultimate-guide https:// github.com/aspnet/Home/wiki https:// github.com/aspnet/Home/wiki/KRuntime-structure http:// www.hanselman.com/blog/IntroducingASPNETVNext.aspx http:// stackoverflow.com/questions/25431750/asp-net-vnext-is-host-agnostic-what-does-it-deeply-mean http:// channel9.msdn.com/Events/dotnetConf/2014/ASP-NET-vNext-101 http:// channel9.msdn.com/Events/Visual-Studio/Connect-event-2014/023 http://jeremydmiller.com/2014/12/02/some-thoughts-on-the-new-net/? utm_source=twitterfeed&utm_medium=twitter http://gunnarpeipman.com/aspnet / http://www.omnisharp.net /

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