Rick Strahl's Web Log
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WebLog Posts in Category ASP.NET Core
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Handling HTML5 Client Route Fallbacks in ASP.NET Core
August 07, 2017 - Hood River, OR
HTML5 client routes work great on the client, but when deep linking into a site or pressing refresh in the browser, HTML5 client side routes have a nasty habit of turning into server HTTP requests. Requests to routes that the server is likely not configured for. In this post I look at why HTML5 client routes require server cooperation to handle and how to set them up on IIS and/or ASP.NET Core.
Multi-Targeting and Porting a .NET Library to .NET Core 2.0
June 22, 2017 - Hood River, OR
I've been holding off porting any of my full frameworks to .NET Core. With the latest .NET Core 2.0 and .NET Standard 2.0 releases and their vastly larger footprints that match more closely with what we expect of the .NET Framework feature set, migrating looks a lot more appealing. In this post I describe the process of porting one of my general purpose full framework libraries to .NET Standard 2.0 and in the process also creating a multi-targeted project that compiles .NET 4.5, 4.0 and .NET Standard projects.
Upgrading to .NET Core 2.0 Preview
May 15, 2017 - Hood River, OR
With the release of the first preview of .NET Core 2 and ASP.NET Core 2.0 I decided to upgrade my AlbumViewer sample application to the latest bits and preview tools. Overall the experience was pretty smooth, but I ran into a couple of breaking changes and a few tooling snags that I'll describe in this post.
IIS and ASP.NET Core Rewrite Rules for Static Files and Html 5 Routing
April 27, 2017 - Hood River, OR
If you're running ASP.NET Core under Windows with IIS, you'll want to take advantage of letting IIS serve up your static content and handle your HTML 5 Client and home routes. IIS is very efficient at handling static content and content re-routing and in this post I describe how you can properly configure ASP.NET Core applications using the AspNetCoreModule and IIS Rewrite Rules
Running .NET Core Apps under Windows Subsystem for Linux (Bash for Windows)
April 13, 2017 - Maui, Hawaii
The Windows Shell for Linux (WSL or Bash on Ubuntu on Windows) provides a nice way for Windows and Linux to interact without the overhead of dealing with a separate VM. Using the WSL you can now also run your .NET Core applications directly under Linux without requiring a VM or Docker. In this post I demonstrate how the shell works and how you can run your .NET and ASP.NET Core applications to test operation under Linux.
Updating my AlbumViewer Sample to ASP.NET Core 1.1 and Angular 4
March 31, 2017 - Maui, Hawaii
I updated my AlbumViewer sample application recently to the latest versions of ASP.NET Core (1.1) and the new .csproj project as well Angular 4
More on ASP.NET Core Running under IIS
March 16, 2017 - Maui, Hawaii
Since my last post about hosting ASP.NET Core on IIS I've gotten quite a few questions and comments in regards to working with this mixed IIS/Kestrel hosting environment. There are quite a few not so obvious arrangement in this set up and some surprising discoveries in terms of performance and segragation of feature usage between IIS and Kestrel.
New CODE Magazine Article: Getting down to Business with ASP.NET Core
January 12, 2017 - Maui, Hawaii
The latest issue of CODE magazine features my `Getting down to Business with ASP.NET` Core article as the cover article. The article focuses on building an ASP.NET Core backend for an Angular 2 front application, covering all aspects of separating business and Web app logic, dealing with EF Core data access in related tables, CORS to be able to run across domains and simple authentication in a client centric REST service application. Check it out.
.NET Standard 2.0 - Making Sense of .NET Again
November 23, 2016 - Maui, Hawaii
It's taken awhile but it seems Microsoft is finally nailing the message for .NET going forward and .NET Standard with its common API specification is a huge part in making sure that the same base library of .NET is available on all .NET platforms. In this post I look at what .NET Standard is, how it works and what some of the surrounding issues and impacts are for the .NET Eco system.
Error Handling and ExceptionFilter Dependency Injection for ASP.NET Core APIs
October 16, 2016 - Maui, Hawaii
Exception handling in API applications is important as errors - both handled and unhandled - need to be passed to clients in some way to let them display error information. ASP.NET's default error handling doesn't provide for object error results by default, but you can use an ExceptionFilter to intercept exceptions and format them yourself. In this post I look at how to create an API exception filter to create error object responses, and hook up custom logging of those errors to disk.
External Network Access to Kestrel and IIS Express in ASP.NET Core
September 28, 2016 - Hood River, Oregon
Recently I needed to connect to my Windows based ASP.NET Core API from my Mac and in order for that to work some configuration settings are necesary so that the ASP.NET applications can serve HTTP content to the external network connection that this entails. In this post I show what you have to do to enable remote connections both using the Kestrel and IIS Express Web servers.
ASP.NET Core and CORS Gotchas
September 26, 2016 - Hood River, Oregon
CORS is a requirement for cross domain XHR calls, and when you use Angular 2.0 default dev server and talk to an ASP.NET Core application you'll need to use CORS to get XHR to talk across the domain boundaries. Here's how to set up CORS and how to test it.
First Steps: Exploring .NET Core and ASP.NET Core
June 29, 2016 - Geneva, Switzerland
In this post I'll demonstrate how to get started with .NET Core and ASP.NET using the Command Line Tools. I'll create a few very simple projects and starting with a plain console application, show how to hook up ASP.NET, run an API and MVC app and then run the app locally on Windows and then move it over to run on the Mac. This is not meant to be your typical getting started tutorial that jumps right into Visual Studio and creating a Web project from there. Rather, the purpose of this post is to demonstrate some of the core underpinnings of how .NET Core and ASP.NET Core projects are bootstrapped to run.
Upgrading to ASP.NET Core RTM from RC2
June 27, 2016 - Hood River, OR
I installed and upgraded an ASP.NET Core Sample application today and while the actual project upgrade process from RC2 was relatively easy, there were a few hiccups with installation and one of the breaking changes for the RTM release. In this post I'll go over some of the things I ran into and the workarounds.
ASP.NET Core and .NET Core Overview
June 13, 2016 - Hood River, OR
ASP.NET Core and .NET Core are almost here, with the RTM release scheduled for the end of this month. In this post I’m going to revisit the high level overview architecture of .NET Core and ASP.NET Core since so much has changed, to help you understand how the pieces fit together and what it means to develop on the new stack along with some personal thoughts on how I plan to approach all of this new tech in my own work.
Publishing and Running ASP.NET Core Applications with IIS
June 06, 2016 - Hood River, OR
If you plan on hosting ASP.NET Core applications on IIS, you'll find that the process to get your application to run is quite different than it was with classic ASP.NET. Because ASP.NET Core applications are essentially standalone Console applications that run outside of IIS, some special tooling and new publishing tools are required to get your apps up and running on Windows Server. In this post I'll give an overview of the architecture and show you how to deploy your ASP.NET Core applications using IIS on Windows Server.
Strongly Typed Configuration Settings in ASP.NET Core
May 23, 2016 - Maui, HI
ASP.NET Core provides built-in support for using strongly typed classes to represent configuration information. The configuration system provides a flexible mechanism for using different configuration storage providers and mapping those providers to your strongly typed objects. In this post I show how to set up strongly typed resources and use them in your ASP.NET Web applications.