Simple task - replace all sequential whitespace (tabs, spaces, newlines) with your character of choice, usually a space. Fact - StackOverflow is on top in google results, when searching for “C# normalize whitespace”. How to replace multiple white spaces with one white space c# Fastest way to remove extra white spaces Why this article? Highest voted answers are not the best performing, and some answers are just wrong.

When you catch an exception, you only have stack trace relative to the catch point. The problem is very clearly described in this article on CodeProject: .NET: Exception stack trace has no frames above the catch point. Why is this important? Suppose the error occurs when sending email and this is a non-critical part of your application. Let's say you send confirmation emails to clients as part of the ordering process.