Start Unhandled exception updating material

Unhandled exception updating material

Besides the forementioned SQL scripts and database, the download also contains the full source for the demo application in C#.

Then in the middle, you find the Business Logic Layer, or the BLL that is the bridge between the Presentation layer and the next layer: the Data Access Layer or the DAL.

In this article series I'll show you how to design, build and implement reusable object oriented classes that are easy to use and maintain.

The objects created from these classes are often referred to as business objects so that's the term I'll use in these articles.

- I have written a new series on N-Layer design targeting ASP. What's important to realize is that this is *my* take at layered design for web applications.