Programming PERL in the .NET Environment

Exceptions

.NET provides an exception-handling mechanism. As its name implies, this mechanism helps to take care of exceptional situations in our program. Generally, if an error occurs, then the code throws an exception that can be caught by the caller code, even if this is another module or component; that is, exceptions bubble up in the call stack. Fortunately, PerlNET provides a very easy way to work with exceptions. We use die functions and eval blocks to generate and to catch exceptions respectively.

Generating and Catching Exceptions

To generate an exception in the module or any other PerlNET program, we use the die function, passing to it a string with an error description. For example, we may set a rule for our StockItem class that class ...