Andrew Lock | .NET Escapades

Andrew Lock
Middleware

  1. Retrieving the path that generated an error with the StatusCodePages Middleware

    In my previous post, I showed how to use the re-execute features of the StatusCodePagesMiddleware to generate custom error pages for status-code errors. This allows you to easily create custom error pages for common error status codes like 404 or 500. The re-executing approach using UseStatusCodePagesWithReExecute is generally a better…
    on ASP.NET Core Middleware Error Handling - Comments

  2. Re-execute the middleware pipeline with the StatusCodePages Middleware to create custom error pages

    By default, the ASP.NET Core templates include either the ExceptionHandlerMiddleware or the DeveloperExceptionPage. Both of these catch exceptions thrown by the middleware pipeline, but they don't handle error status codes that are returned by the pipeline (without throwing an exception). For that, there is the StatusCodePagesMiddleware. There are a…
    on ASP.NET Core Middleware Error Handling - Comments

  3. Under the hood of the Middleware Analysis package

    In my last post I showed how you could use the Microsoft.AspNetCore.MiddlewareAnalysis package to analyse your middleware pipeline. In this post I take a look at the source code behind the package, to see how it's implemented. What can you use the package for? After you have added…
    on ASP.NET Core Middleware Source Code Dive Middleware Analysis Package - Comments

  4. Understanding your middleware pipeline with the Middleware Analysis package

    Edited 18th Feb 17, to add section on adding a custom name for anonymous middleware In a recent post I took a look at the IStartupFilter interface, a little known feature that can be used to add middleware to your configured pipeline through a different route than the standard Configure…
    on ASP.NET Core Middleware Analysis Package Middleware - Comments

  5. Exploring IStartupFilter in ASP.NET Core

    Note The MEAP preview of my book, ASP.NET Core in Action is now available from Manning! Use the discount code mllock to get 50% off, valid through February 13. I was spelunking through the ASP.NET Core source code the other day, when I came across something I hadn't…
    on ASP.NET Core Source Code Dive Middleware Analysis Package Middleware - Comments

  6. Url culture provider using middleware as filters in ASP.NET Core 1.1.0

    In this post, I show how you can use the 'middleware as filters' feature of ASP.NET Core 1.1.0 to easily add request localisation based on url segments. The end goal we are aiming for is to easily specify the culture in the url, similar to the way…
    on ASP.NET Core Middleware Localisation Middleware as Filters - Comments