Background queuing is a useful technique when you have an operation that does not need to occur straightaway, for example, logging stats to a database, sending an email, or processing a payment transaction. If you perform too much work in a single web request, then background queuing may offer a convenient solution, especially if you don't require the operation to always succeed.
If you use ASP.NET 4.7 (or any version from 4.5.2 onward), then you can use HostingEnvironment.QueueBackgroundWorkItem to run a method in the background. This is preferable to simply setting a task running because if ASP.NET shuts down, then it will issue a cancellation request and wait for a grace period before killing the item. However, this ...
