You've seen several scenarios when errors have occurred when converting types. C# calls this, an exception has been thrown.
Good practice is to avoid writing code that will throw an exception whenever possible, perhaps by performing if
statement checks, but sometimes you can't. In those scenarios, you must catch the exception and handle it.
As you have seen, the default behavior of a console application is to display details about the exception in the output and then stop running the application.
You can take control over how to handle exceptions using the try
statement.
Add a new console application project named HandlingExceptions
.
When you know that a statement can cause an error, you should wrap that statement in a try
block. For example, parsing from a string to a number can cause an error. We do not have to do anything inside the catch
block. When the following code executes, the error will get caught and will not be displayed,...