This post was originally published on the Twilio blog: https://www.twilio.com/en-us/blog/real-time-sms-error-messages-asp-net-core-elmah-io Getting instant notifications when an error happens on a website can mean life and death for a business. The faster developers fix the bug, the fewer users get frustrated with your website. Using elmah. ...
Thomas Ardal
Meet Thomas, the founder and developer behind elmah.io. Thomas blogs about everything technical from C# and ASP.NET Core to machine learning.
Instant errors on SMS from ASP.NET Core with Twilio and elmah.io
Web.config transformations - The definitive syntax guide
Back when Visual Studio 2010 was the coolest kid on the block, everyone talked about the new Web.config transformation feature. The intentions with transformations were a bit different back then, but still very relevant for ASP.NET, MVC, and Web API projects. In this post, I'll explain ...
Debugging System.AccessViolationException - DllImport hell
For this post in the series Debugging common .NET exceptions, I'll present an exception that will be uncommon for most of you and cause recurring nightmares for the rest: System.AccessViolationException. The exception typically happens when unmanaged code tries to read or write from/to memory that hasn& ...
Debugging System.AggregateException - even in async code
We are here once again to help you debug common .NET exceptions. This time I want to help you debug the rather generic System.AggregateException. As the name implies, AggregateException is used to batch one or more exceptions together in a single exception. In this post, I'll show ...
The ultimate guide to connection strings in web.config
TOC Connection strings in web.config can be both powerful and challenging. The times were you would just remote desktop to production and change settings inside your ASP.NET web.config file is long gone. So, should you keep specifying connection strings using the connectionStrings element in web.config? Stay ...
log4net Tutorial - The Complete Guide for beginners and pros
TOC log4net is still one of the most commonly used logging frameworks for .NET. While originally being a port of the log4j logging framework for Java, a lot has happened over the years, to make log4net a unique logging option for .NET/C# developers. This post is a collection of ...
Debugging System.UnauthorizedAccessException (often followed by: Access to the path is denied)
It's time for another post in our series about Debugging common .NET exceptions. Today, I want to introduce you to System.UnauthorizedAccessException. The exception is typically caused by an IO error, but other issues like security restrictions are also known to utilize this error. Let's dig ...
Web.config customErrors element with ASP.NET explained
The CustomErrors element inside an ASP.NET/MVC/Web API Web.config file, is something almost everyone uses somehow, however, many people’s experiences don’t work like they expect. During my years coding primarily ASP.NET MVC, I've used the custom errors element again and again. I ...
Issue Tracking 2.0
You may remember our quest to introduce lightweight issue tracking capabilities in elmah.io. If not, check out Mark errors as fixed, dashboards and more. Last week we silently launched the next chapter. Before I go into details about the new features, I want to put a few words on ...