Black Friday is here! Take advantage of this unique opportunity and get up to 80% extra knowledge for free! Read more here
bf extended_2022

Lesson 12 - Exceptions in C# .NET for the second time

We've already mentioned exceptions in our C# .NET course. In today's tutorial, we're going to look at them in further detail.

Determining the exception type

So far we used the catch block without any parameters. However, we're able to catch the exact exception that caused the error. We'll insert an e variable parameter of the Exception type to the catch block. The Exception class represents an exception and all exceptions that are inherited from it. It contains the Message property where the error message is stored. The ToString() method returns this message with all of the other information about the exception, e.g. the row number in which it occurred. By the way, this is how Visual Studio analyzes unhandled exceptions, before providing us with the line where the error occurred.

Let's try to catch the exception for when we divide by zero, and it print its Message and the ToString() result:


...End of the preview...
Continue further

You will gain knowledge worth hundreds of thousands for a few crowns

You've come here and that's great! We believe that the first lessons showed you something new and useful
Do you want to continue the course? Go to the premium section.

Limited offer: Learn all knowledge and save money

Buy lessons and exercise submitting one by one $10.80
Buy all currently available lessons with exercise submitting and other features for an exclusive price $7.20
Currently, you have $0
By buying this exclusive package, you'll have access to all 26 lessons in this course including exercise submitting while saving $3.60. This is a time limited offer for all lessons in this course. Buy it now and gain a limited 33% discount.
Buy only the lesson $0.90
Currently, you have $0

This article is licensed: Premium, by buying this article, you agree with the terms of use.

What will you get from us in the next lessons?
  • Unlimited and permanent access to individual lessons.
  • High quality IT knowledge.
  • Skills to help you get your dream and well-paid job.

Article description

Requested article covers this content:

In this tutorial, we'll introduce more exception constructs, parameterized catch blocks, create custom exceptions, and list C# .NET exceptions.

You gain credits by supporting our network. This is done by sending a helpful amount of money to support the site, or by creating content for the network.

Article has been written for you by David Capka
The author is a programmer, who likes web technologies and being the lead/chief article writer at He shares his knowledge with the community and is always looking to improve. He believes that anyone can do what they set their mind to.
Unicorn university David learned IT at the Unicorn University - a prestigious college providing education on IT and economics.