What are the key changes in ASP.NET MVC when .NET Core 1.0 is released? Let's find out in this tour of ASP.NET Core. We'll examine what's new, what's the same, and what's missing.

1. ASP.NET Core MVC
Changes Every Developer Should Know

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About Me
Ed Charbeneau
 Developer Advocate for Progress, Telerik DevCraft
 Developer.Telerik.com
 Twitter @EdCharbeneau

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.NET Core overview

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Hello.NET Core 1.1.1
 Cross platform
• Development,
Deployment
• Windows, Mac, Linux
 Current App Models
• UWP
• Console Applications
• ASP.NET Core

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Hello ASP.NET Core 1.1.1
 vNext
 ASP.NET 5
 ASP.NET Core 1.1.1

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Cross platform development
DOTNET CLI
Read more: http://developer.telerik.com/featured/net-cli-decoded/

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Cross platform deployment

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ASP.NET Core “MVC” overview

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Just the FAQs
 ASP.NET Core is a complete rewrite
 MVC is a module for ASP.NET Core
 MVC and Web API have merged into a single codebase
 There is no longer an MVC 6, the module was reversioned to 1.0
 There is no official plan for WebForms on .NET Core

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Modularity
 ASP.NET Core uses a request pipeline
 Successor to HttpHandler
 Read / Write directly to the HTTP Pipeline
using middleware
 MVC is ASP.NET Core middleware
 Raw access to the HTTP request/response
(A.k.a. the bare metal)
 Built using Dependency Injection
Pipeline
HTTP Request
HTTP Response
middleware
MVC
middleware

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No dependency on IIS
 Remember, cross platform!
 ASP.NET Core can be:
• Self-hosted
• Cloud hosted
• Mac, Windows, Linux
• Docker (integrated with VS2017)

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 cross-platform asynchronous I/O library
 Should use Reverse Proxy Server
 ASP.NET Core Module .UseIISIntegration()
Servers
Kestrel WebListener
 Windows only
 Direct connection to the Internet

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File, New Project

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What's (Mostly) the Same
 MVC design pattern itself
• Models
• Views
• Controller

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What's Missing
 App_Start
 App_Data
 Global.ASAX
 /Scripts
 /Content
 Web.Config*
* For IIS support only

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ASP.NET Core 1.0 – 1.1 changes
 /src
 Project.json
• In ASP.NET Core 1.0, this replaced .csproj
• .csproj is back in 1.1
• 1.0 apps must to migrate to .csproj
 Web.Config
• For IIS support only

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What’s new
 /wwwroot
 Dependencies
 /Data/Migrations
 Appsettings.json
 Startup.cs
 Program.cs
 _ViewImports.cshtml

18. Visual Studio Demo

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Application Initialization

20. ASP.NET Core is a
Console Application

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Application Initialization
ASP.NET Core
 No dependency on IIS
 Initialized via command line
 Program.Main() builds web host &
invokes Startup
 Startup.cs handles startup
.NET Framework 4.6, ASP.NET
 IIS (InetMgr.exe) initialized application
 HttpApplication.Application_Start()
 Startup code handled by Global.asax

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Application Startup
 Replaces App_Start, and Global.ASAX
 Startup is called by WebHostBuilder.UseStartup
Program.Main()
ConfigureServices()
Configure()
Startup
Startup()

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New Configuration Options
 Configuration options are resolved in the Startup constructor
 Settings can be stored in .json, .xml or environment variables

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Overloading Configuration Options
Overloading
 Dev Ops Friendly
 Multiple configs
• Development
• Staging
• Production
 Last setting to be resolved wins
Example
var builder = new ConfigurationBuilder()
.SetBasePath(env.ContentRootPath)
.AddJsonFile(“foo.json”)
.AddJsonFile(“bar.json”);
Configuration.GetValue<string>(“myKey”); //=> Bar

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Startup methods
ConfigureServices
 Dependency Injection (DI) configured
 IServiceCollection is the DI container
 AddTransient<TService, TImplementation>();
 services.AddMvc();
Configure
 HTTP Middleware is added
 IApplicationBuilder is the pipeline
 app.UseMiddleware()
 app.UseMvc(routes …)

26. Visual Studio Demo

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TagHelpers

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Overview
 Augments HTML to include server-side code & values

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Just the FAQs
TagHelpers Are
 Use tags and attributes like HTML
 Rendered Server-Side
 Supported by intellisense
TagHelpers Are Not
 Going to eliminate Razor @Html
 Like WebForms

30. Visual Studio Demo

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UI for ASP.NET Core
 For ASP.NET Core
 70+ ASP.NET MVC Components Powered by Kendo UI
 Charts
 Graphs
 Grids
 Schedulers
 Responsive, works on any screen size

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Polished UI for All your Apps
http://telerik.com/devcraft

34. Thank you