ASP.NET Core 1 for MVC- and WebAPI-Devs

ASP.NET Core 1 for MVC- and WebAPI-Devs

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  1 ASP.NET Core 1(formerly ASP.NET 5) What has changed for MVC and Web API devs? Manfred Steyer ManfredSteyer About me …  Manfred Steyer  SOFTWAREarchitekt.at  Trainer & Consultant  Angular  Server-Side .NET Page  2
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  2 Goal Overview of changesfor MVC- and Web API-Devs regarding ASP.NET Core Folie 3 Didactics Slides Samples Folie 9
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  3 Contents Overview of ASP.NETCore 1 Bootstrapping Web Apps Web APIs Folie 11 OVERVIEW OF ASP.NET CORE Page  22
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  4 .NET Core Folie 24 [http://www.hanselman.com/] Advantages Folie25 X-Plattform Lightweight NuGet Side-by- Side Self-Hosting F5-Compile- to-Memory
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  5 Hosting Kestrel (X-Plattform, Self-Host) WebListener(Windows, Self-Host) IIS  Kestrel Nginx  Kestrel Folie 26 Why a new ASP.NET? Folie 27 ASP.NET Frameworks System.Web IIS
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  6 System.Web Features of System.Webhave to be reimplemented Sessions, Caching, Configuration, Routing Consequence: Breaking-Changes Folie 30 Doublings today Web API MVC Web Pages
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  7 ASP.NET MVC Core1 Unification of MVC, Web API and (in future) Web Pages Uniform concepts for Controllers, Views, Dependency-Injection, Routing, Filters etc. Migration Code needs adaptation But: Current framework-versions will be maintained Saying that: WCF and Web Forms wont't be migrated to Core WCF Web Forms Web API 2MVC 5 .NET 4.x / "Full CLR"
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  8 ASP.NET CORE 1: BOOTSTRAPPING Page 34 Middleware-Components Folie 35 Server Web-Framework Web-Application Middleware1 Middleware2 Middleware… Middlewaren Request Response Host-Process HTTP
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  9 Configuring the Pipeline Folie36 public class Startup { […] public void Configure(IApplicationBuilder app) { […] app.UseStaticFiles(); app.UseMvc(); […] } } Configuration considering the Environment Folie 37 public void Configure(IApplicationBuilder app, IHostingEnvironment env) { […] if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); } else { app.UseExceptionHandler("/Home/Error"); } […] }
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  10 Configuring Services Folie 38 publicclass Startup { public void ConfigureServices(IServiceCollection services) { […] services.AddMvc() […] } […] } DEMO Page  40
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  11 TAG-HELPER Page  45 @modelIEnumerable<MvcApplication.Models.Flight> […] @foreach (var item in Model) { <tr> <td> @item.Von </td> <td> @item.Nach </td> <td> @Html.ActionLink( "Edit", "Edit", "Home", new { id = "1" }, null) </td> </tr> } HtmlHelpers in ASP.NET MVC 5
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  12 @model IEnumerable<MvcApplication.Models.Flight> […] @foreach (varitem in Model) { <tr> <td> @item.Von </td> <td> @item.Nach </td> <td> <a asp-controller="Home" asp-action="Edit" asp-route-id="1" class="navbar-brand">Edit</a> </td> </tr> } Tag-Helpers Using TagHelpers  @addTagHelper "*, Microsoft.AspNetCore.Mvc.TagHelpers" Global: Views/_ViewImports.cshtml Folie 48
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  13 WEB APIS WITHMVC CORE 1 Page  50 Web APIs in MVC Core 1 No own Routing for Web APIs Same concept as for MVC No Conventions for HTTP Verb, like GetAll()  GET, PostData()  POST Routing doesn't consider URL-Parameters to select an action-method But: WebApiCompatShim Folie 51
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  14 Web API withAttribute-based Routes Folie 52 [Route("api/[controller]")] public class FlightController: Controller { [HttpGet("{id}")] public Flight GetById(int id) { […] } [HttpGet("byRoute")] public List<Flight> GetByRoute(string from, string to) { […] } [HttpPost] public void PostFlight([FromBody] Flight flight) { […] } } Web API with Attribute-based Routes Folie 53 [Route("api/[controller]")] public class FlightController: Controller { // GET api/flight/{id} [HttpGet("{id}")] public Flight GetById(int id) { […] } [HttpGet("byRoute")] public List<Flight> GetByRoute(string from, string to) { […] } [HttpPost] public void PostFlight([FromBody] Flight flight) { […] } }
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  15 Web API withAttribute-based Routes Folie 54 [Route("api/[controller]")] public class FlightController: Controller { // GET api/flight/{id} [HttpGet("{id}")] public Flight GetById(int id) { […] } // GET api/flight/byRoute?from=...&to=... [HttpGet("byRoute")] public List<Flight> GetByRoute(string from, string to) { […] } [HttpPost] public void PostFlight([FromBody] Flight flight) { […] } } Web API with Attribute-based Routes Folie 55 [Route("api/[controller]")] public class FlightController: Controller { // GET api/flight/{id} [HttpGet("{id}")] public Flight GetById(int id) { […] } // GET api/flight/byRoute?from=...&to=... [HttpGet("byRoute")] public List<Flight> GetByRoute(string from, string to) { […] } // POST api/flight [HttpPost] public void PostFlight([FromBody] Flight flight) { […] } }
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  16 DEMO Page  56 ConfiguringMVC and Formatters Folie 57 public class Startup { public void ConfigureServices(IServiceCollection services) { services.AddMvc() .AddJsonOptions(options => { […] }) .AddMvcOptions(options => { […] }); } […] }
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  17 XML-Formatter Package: Microsoft.AspNetCore.Mvc.Formatters.Xml  XmlDataContractSerializerInputFormatter  XmlDataContractSerializerOutputFormatter Folie58 DEMO Page  59
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  18 Summary Folie 80 X-Plattform F5-CompileSide-by-Side Self-Hosting DI, DI everywhere… Tag Helpers Summary Folie 81 Unification of MVC and Web API High-Level- APIs quite the same MVC-Style Routing Low-Level APIs reworked Current versions still maintained
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  19 manfred.steyer@SOFTWAREarchitekt.at SOFTWAREarchitekt.at ManfredSteyer Contact