>>Naomi,
>>
>>I refactored some of the code from the article into the solution I had you download. That solution has the correct (in my mind) way to set up your projects. The datasets are included in the business layer as shown in the project.
>>
>>You can put your datasets anywhere you like as long as you reference the dll containing them when you need to use them. You have the roadmap before you, just set up your project as shown and you should be allright.
>>
>>Delete the "observers.csv" file from your project as it is not needed. That slipped in there during a recent code camp. I was showing something about how the file system processed these files.
>>
>>You have everyhting you need to build your project according to the samples I gave you. If you cannot understand what is there, then I can't help you further.
>
>John,
>
>The second project I downloaded is a bit too hard for me. I really wanted the one associated with the article since this is also very close to the application I have to develop (Orders system).
>
>May be you have this one somewhere? Otherwise I'm sort of stack again. I created a Biz Object project and Data Access Project in the main solution, but what I should do next is not clear.

Have you looked at the DotNet for VFP Developers? It shows a very basic ntier system step by step which includes the business layer. If you are just starting, then I recommend it to get you started.