ASP.NET Core 2.1: The Future of Web Apps
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The document provides a comprehensive overview of ASP.NET Core 2.1, including its features, architecture, and updates from previous versions. It covers topics such as MVC structure, Razor Pages, SignalR for real-time web development, and new functionalities like auto model validation and compliance with GDPR. Additionally, it offers references, tutorials, and resources for developers to learn and utilize ASP.NET Core effectively.
![MVC (Web) Controllers
public class HumanController : Controller
{
private readonly ApplicationDbContext _context;
public HumanController(ApplicationDbContext context) {}
// GET: Human, Human/Details/5
public async Task<IActionResult> Index() {}
public async Task<IActionResult> Details(int? id) {}
// GET: Human/Create
public IActionResult Create() {}
// POST: Human
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Create([Bind("Id,FirstName,LastName")] Human human) {}
// GET: Human/Edit/5
public async Task<IActionResult> Edit(int? id) {}
// POST: Human/Edit/5
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Edit(int id, [Bind("Id,FirstName,LastName")] Human human) {}
}](https://image.slidesharecdn.com/aspnetcore2-180808173832/85/ASP-NET-Core-2-1-The-Future-of-Web-Apps-22-320.jpg)
![MVC (API) Controllers
public class ValuesController : Controller
{
// GET: api/Values, api/Values/5
[HttpGet]
public IEnumerable<string> Get() {}
[HttpGet("{id}", Name = "Get")]
public string Get(int id) {}
// POST: api/Values
[HttpPost]
public void Post([FromBody]string value) {}
// PUT: api/Values/5
[HttpPut("{id}")]
public void Put(int id, [FromBody]string value) {}
// DELETE: api/ApiWithActions/5
[HttpDelete("{id}")]
public void Delete(int id) {}
}](https://image.slidesharecdn.com/aspnetcore2-180808173832/85/ASP-NET-Core-2-1-The-Future-of-Web-Apps-23-320.jpg)
![MVC (Web) Views
@model NiceStackWeb.Models.Human
@{
ViewData["Title"] = "Details";
}
<h2>Details</h2>
<div>
<h4>Human</h4>
<hr />
<dl class="dl-horizontal">
<dt>
@Html.DisplayNameFor(model => model.FirstName)
</dt>
<dd>
@Html.DisplayFor(model => model.FirstName)
</dd> ...
</dl>
</div>
<div>
<a asp-action="Edit" asp-route-id="@Model.Id">Edit</a> |
<a asp-action="Index">Back to List</a>
</div>](https://image.slidesharecdn.com/aspnetcore2-180808173832/85/ASP-NET-Core-2-1-The-Future-of-Web-Apps-24-320.jpg)
![MVC Models
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
public class Human
{
[Key]
public int Id { get; set; }
[DisplayName("First Name")]
public string FirstName { get; set; }
[DisplayName("First Name")]
public string LastName { get; set; }
}](https://image.slidesharecdn.com/aspnetcore2-180808173832/85/ASP-NET-Core-2-1-The-Future-of-Web-Apps-25-320.jpg)
![SignalR in ASP.NET Core 2.1 (Stable!)
https://blogs.msdn.microsoft.com/webdev/2018/02/27/asp-net-core-2-1-0-preview1-getting-started-with-signalr
using Microsoft.AspNetCore.SignalR;
namespace SignalRTutorial.Hubs
{
[Authorize]
public class ChatHub : Hub
{
public override async Task OnConnectedAsync()
{
await Clients.All.SendAsync("SendAction", Context.User.Identity.Name, "joined");
}
public override async Task OnDisconnectedAsync(Exception ex)
{
await Clients.All.SendAsync("SendAction", Context.User.Identity.Name, "left");
}
public async Task Send(string message)
{
await Clients.All.SendAsync("SendMessage", Context.User.Identity.Name, message);
}
}
}](https://image.slidesharecdn.com/aspnetcore2-180808173832/85/ASP-NET-Core-2-1-The-Future-of-Web-Apps-29-320.jpg)
ASP.NET Core 2.1: The Future of Web Apps
- 1. ASP.NET Core 2.1 Shahed Chowdhuri Sr. Technical Evangelist @ Microsoft @shahedC WakeUpAndCode.com Cross-Platform Web Apps
- 2. Agenda Introduction > .NET (Framework & Core) > ASP.NET Core > Visual Studio & VS Code References + Wrap-up
- 3. Introduction
- 4. ASP.NET Info and Downloads: http://www.asp.net/
- 5. .NET for Cross-Platform Dev .NET Info + Download: https://www.microsoft.com/net
- 6. .NET Across Windows/Web Platforms http://blogs.msdn.com/b/dotnet/archive/2014/12/04/introducing-net-core.aspx
- 8. .NET 3.0 in 2019 and Beyond… https://blogs.msdn.microsoft.com/dotnet/2018/05/07/net-core-3-and-support-for-windows-desktop-applications
- 9. ASP.NET Web API Active Server Pages (Classic ASP) ASP.NET (Web Forms) ASP.NET MVC 1/2/3/4/5 ASP.NET Web Pages Evolution of ASP and ASP .NET ASP.NET Core MVC Unified MVC, Web API and Razor Web Pages
- 10. Names & Version Numbers
- 11. C# 7.x in VS2017 https://docs.microsoft.com/en-us/dotnet/csharp/whats-new/
- 12. Agenda Introduction > .NET (Framework & Core) > ASP.NET Core > Visual Studio & VS Code References + Wrap-up
- 13. .NET Framework & .NET Core
- 14. ASP.NET Core High-Level Overview
- 16. What About .NET Framework 4.6+? Core is 4.7
- 17. ASP .NET Core
- 20. ASP .NET Core MVC
- 21. MVC Web App Basics Controller Model View User Requests Updates Model Gets Data Updates View
- 22. MVC (Web) Controllers public class HumanController : Controller { private readonly ApplicationDbContext _context; public HumanController(ApplicationDbContext context) {} // GET: Human, Human/Details/5 public async Task<IActionResult> Index() {} public async Task<IActionResult> Details(int? id) {} // GET: Human/Create public IActionResult Create() {} // POST: Human [HttpPost] [ValidateAntiForgeryToken] public async Task<IActionResult> Create([Bind("Id,FirstName,LastName")] Human human) {} // GET: Human/Edit/5 public async Task<IActionResult> Edit(int? id) {} // POST: Human/Edit/5 [HttpPost] [ValidateAntiForgeryToken] public async Task<IActionResult> Edit(int id, [Bind("Id,FirstName,LastName")] Human human) {} }
- 23. MVC (API) Controllers public class ValuesController : Controller { // GET: api/Values, api/Values/5 [HttpGet] public IEnumerable<string> Get() {} [HttpGet("{id}", Name = "Get")] public string Get(int id) {} // POST: api/Values [HttpPost] public void Post([FromBody]string value) {} // PUT: api/Values/5 [HttpPut("{id}")] public void Put(int id, [FromBody]string value) {} // DELETE: api/ApiWithActions/5 [HttpDelete("{id}")] public void Delete(int id) {} }
- 24. MVC (Web) Views @model NiceStackWeb.Models.Human @{ ViewData["Title"] = "Details"; } <h2>Details</h2> <div> <h4>Human</h4> <hr /> <dl class="dl-horizontal"> <dt> @Html.DisplayNameFor(model => model.FirstName) </dt> <dd> @Html.DisplayFor(model => model.FirstName) </dd> ... </dl> </div> <div> <a asp-action="Edit" asp-route-id="@Model.Id">Edit</a> | <a asp-action="Index">Back to List</a> </div>
- 25. MVC Models using System.ComponentModel; using System.ComponentModel.DataAnnotations; public class Human { [Key] public int Id { get; set; } [DisplayName("First Name")] public string FirstName { get; set; } [DisplayName("First Name")] public string LastName { get; set; } }
- 27. Intro to Razor Pages https://docs.microsoft.com/en-us/aspnet/core/mvc/razor-pages
- 28. Razor Syntax
- 29. SignalR in ASP.NET Core 2.1 (Stable!) https://blogs.msdn.microsoft.com/webdev/2018/02/27/asp-net-core-2-1-0-preview1-getting-started-with-signalr using Microsoft.AspNetCore.SignalR; namespace SignalRTutorial.Hubs { [Authorize] public class ChatHub : Hub { public override async Task OnConnectedAsync() { await Clients.All.SendAsync("SendAction", Context.User.Identity.Name, "joined"); } public override async Task OnDisconnectedAsync(Exception ex) { await Clients.All.SendAsync("SendAction", Context.User.Identity.Name, "left"); } public async Task Send(string message) { await Clients.All.SendAsync("SendMessage", Context.User.Identity.Name, message); } } }
- 30. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/
- 31. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • Real-time web development • New Typescript client, jQuery • Built-in Hub protocols: • JSON-based for text • MessagePack for binary • Improved scale-out model • Sticky sessions required* *required when using WebSockets unless skipNegotiation flag is set to true var connection = new signalR.HubConnectionBuilder().withUrl("/chat", { skipNegotiation: true, transport: signalR.HttpTransportType.WebSockets }) .build();
- 32. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • UseHttpsRedirection by default • HSTS protocol support (non-dev) • >dotnet dev-certs https --trust
- 33. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • New ApiController attribute • Auto model validation
- 34. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • Rich Swagger support • Easier API documentation
- 35. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • New type ActionResult<T> • Indicate response type for any action result
- 36. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • HttpClient as a service • Register, configure, consume HttpClient instances
- 37. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • ASP.NET Core (native IIS) Module • Hooks into IIS pipeline • Improved Performance
- 38. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • Default UI implemented in a library • Available as NuGet package • Enable via Startup class
- 39. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • Compliance for EU General Data Protection Regulation reqts • Request user consent for info
- 40. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • Mix authentication schemes • e.g. Bearer tokens, cookie auth
- 41. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • Compiled during build process • Improved startup performance
- 42. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • Razor UI as class library • Share across projects • Share as Nuget package
- 43. ASP.NET Core 2.1: What’s New? http://www.talkingdotnet.com/quick-summary-whats-new-asp-net-core-2-1/ • Improved end-to-end testing • e.g. routing, filters, controllers, actions, views and pages
- 44. How about Entity Framework? DB ORM Entities in Code Core ) 4.6+ 4.6+
- 46. Pluralsight Course by Julie Lerman https://app.pluralsight.com/library/courses/entity-framework-core-2-getting-started
- 47. Visual Studio 2017 & VS Code
- 48. New Installer!
- 49. File New Project Web • ASP .NET Core Web App • Web App (4.x)
- 50. Select a Template 1.0 , 1.1, 2.0 or 2.1 • Empty • API • Web App (Razor) • Web App (MVC) • Angular • React.js • React.js & Redux • Razor Class Library Other settings: • Authentication • Docker Support
- 51. VS 2017 15.7 + ASP.NET Core 2.1 https://www.visualstudio.com/downloads
- 52. .NET Core SDK 2.1 RC1 https://www.microsoft.com/net/download/dotnet-core/sdk-2.1.300-rc1
- 53. Select a Template (VS 2017 15.7) Includes: ASP .NET Core 2.1
- 54. ASP.NET Core Runtime Extension on Azure https://blogs.msdn.microsoft.com/webdev/2018/02/27/asp-net-core-2-1-0-preview1-using-asp-net-core-previews-on-azure-app-service/
- 55. Visual Studio Code Download https://code.visualstudio.com
- 57. project.json
- 58. .csproj project file 2.0
- 59. .csproj project file 2.1
- 60. Right-click (Project) Properties
- 61. Choose Profile While Debugging
- 63. DEMO
- 64. Migrating from MVC to MVC Core https://docs.microsoft.com/en-us/aspnet/core/migration/mvc
- 65. dotnet/cli on GitHub This repo contains the .NET Core command- line (CLI) tools, used for building .NET Core apps and libraries. GitHub: https://github.com/dotnet/cli
- 66. .NET Core 2.x CLI Commands https://docs.microsoft.com/en-us/dotnet/core/tools/?tabs=netcore2x >dotnet --version >dotnet --info >dotnet new <TEMPLATE> --auth <AUTH_TYPE> -o <OUTPUT_DIR> >dotnet new console -o MyConsoleApp >dotnet new mvc --auth Individual -o MyMvcWebApp >dotnet restore >dotnet build >dotnet run <TEMPLATE> = web | mvc | razor | angular | react | webapi <AUTH_TYPE> for mvc,razor = None | Individual | SingleOrg | Windows
- 67. Azure CLI Commands https://docs.microsoft.com/en-us/azure/app-service/scripts/app-service-cli-deploy-github >az login >az group create -l <REGION> -n <RSG> >az appservice plan create -g <RSG> -n <ASP> --sku <PLAN> (e.g. F1) >az webapp create -g <RSG> -p <ASP> -n <APP> >git init >git add . >git commit -m "<COMMIT MESSAGE>“ >az webapp deployment user set --user-name <USER> >az webapp deployment source config-local-git -g <RSG> -n <APP> --out tsv >git remote add azure <GIT URL> >git push azure master RESULT http://<APP>.azurewebsites.net GIT URL https://<USER>@<APP>.scm.azurewebsites.net/<APP>.git
- 68. Agenda Introduction > .NET (Framework & Core) > ASP.NET Core > Visual Studio & VS Code References + Wrap-up
- 70. Blog Sources Scott Hanselman’s Blog: https://www.hanselman.com/blog/ .NET Web Dev Blog: https://blogs.msdn.microsoft.com/webdev/
- 71. Visual Studio 2017 Launch Videos https://channel9.msdn.com/Events/Visual-Studio/Visual-Studio-2017-Launch?sort=viewed&direction=asc
- 72. Build 2017: ASP .NET Core 2.0 https://channel9.msdn.com/Events/Build/2017/b8048
- 73. .NET Core 2.1 Roadmap PT.1 https://channel9.msdn.com/Shows/On-NET/NET-Core-21-Roadmap-PT1
- 74. .NET Core 2.1 Roadmap PT.2 https://channel9.msdn.com/Shows/On-NET/NET-Core-21-Roadmap-PT2
- 75. Build Conference 2018 http://build.microsoft.com
- 76. Build 2018: ASP .NET Core 2.1 https://channel9.msdn.com/events/Build/2018/BRK2151
- 77. SignalR for ASP .NET Core 2.1 https://channel9.msdn.com/events/Build/2018/BRK2147
- 78. Jeff Fritz on YouTube https://www.youtube.com/watch?v=--lYHxrsLsc
- 79. Other Video Sources MSDN Channel 9: https://channel9.msdn.com .NET Conf: http://www.dotnetconf.net
- 80. Docs + Tutorials Tutorials: https://docs.microsoft.com/en-us/aspnet/core/tutorials/first-mvc-app/ Docs: https://blogs.msdn.microsoft.com/webdev/2017/02/07/asp-net-documentation-now-on-docs-microsoft-com/
- 81. ASP.NET Core 2.0 Release https://blogs.msdn.microsoft.com/webdev/2017/08/14/announcing-asp-net-core-2-0/
- 82. ASP.NET Core 2.1 Roadmap https://blogs.msdn.microsoft.com/webdev/2018/02/02/asp-net-core-2-1-roadmap/
- 84. ASP.NET Core 2.1 Released https://blogs.msdn.microsoft.com/dotnet/2018/05/30/announcing-net-core-2-1/
- 85. References • ASP .NET: http://www.asp.net • .NET Core: https://www.microsoft.com/net • .NET Web Dev Blog: https://blogs.msdn.microsoft.com/webdev • Scott Hanselman’s Blog: https://www.hanselman.com/blog • .NET Conf: http://www.dotnetconf.net • MSDN Channel 9: https://channel9.msdn.com • Tutorials: https://docs.microsoft.com/en-us/aspnet/core/tutorials/first-mvc-app • C# 7: https://docs.microsoft.com/en-us/dotnet/articles/csharp/csharp-7 • ASP.NET Core Roadmap: https://github.com/aspnet/Home/wiki/Roadmap • .NET Core Roadmap: https://github.com/dotnet/core/blob/master/roadmap.md
- 86. Other Resources • New Razor Pages: http://www.hishambinateya.com/welcome-razor-pages • Intro to Razor: https://docs.microsoft.com/en-us/aspnet/core/mvc/razor-pages • Live Unit Testing: https://blogs.msdn.microsoft.com/visualstudio/2016/11/18/live- unit-testing-visual-studio-2017-rc • Migrating from MVC to MVC Core: https://docs.microsoft.com/en- us/aspnet/core/migration/mvc • Visual Studio Code: https://code.visualstudio.com • dotnet/cli on GitHub: https://github.com/dotnet/cli
- 87. Q & A
- 88. Agenda Introduction > .NET (Framework & Core) > ASP.NET Core > Visual Studio & VS Code References + Wrap-up
- 89. Email: [email protected] Twitter: @shahedC