Thomas Ardal

No matter what system I have been working on, generating PDF files already snuck in somehow. Whether it is generating an invoice or a report of data, PDF files are still an essential part of most web applications. In this post, I'll show you how to generate a ...

ASP.NET Core middleware is a clever way to configure features like authentication, routing, and error logging in ASP.NET Core. Adding the different pieces of middleware and in the right order can be quite a nightmare, though. In this post, I'll show you how Roslyn Analyzers can ...

TOC I just answered some questions from a friend of mine about a subject that I believe would fit within my how-to-series of posts. That's where I try to come up with updated answers to common C# challenges like converting between formats or saving content to a file. ...

TOC Time for a new post in my how-to series. In this series, I try to provide updated answers for common .NET/C# questions. I found that when googling common terms like "convert string to int", "write to a file", and similar, I would often get ...

I had a problem today that I ended up spending quite some time resolving. We have some internal CLI's that we have been migrating to .NET Core lately. Rather than having to clone the code and build it when needed, I wanted to set up an automated build, ...

I needed to debug an error logged through Microsoft.Extensions.Logging (MEL) on one of our ASP.NET Core-based services today. Usually, when getting errors logged through MEL, all of the HTTP context data is logged as part of the error, making it easy to spot why an error happened ...

Error logging is an essential part of any application, as it allows developers to track and fix issues that may arise during the use of the application. In a Windows Forms application written in C#, several options exist for implementing effective error logging. In this blog post, we will discuss ...

TOC This is the fourth post in a series about ASP.NET security. Check out Improving security in ASP.NET MVC using custom headers, Content-Security-Policy in ASP.NET MVC, and Storing Content-Security-Policy reports in elmah.io for more security-related posts. You've already heard about cross-site scripting (XSS), right? ...

We recently started experimenting with machine learning on elmah.io. There's a closed beta on anomaly detection and more, similar features will follow in the future. We chose ML.NET as the framework and are pretty happy with the results so far. The amount of documentation is good ...