first pls go through my entity structures .....
1. Customer 2. Journal 3. Publisher
In the time of creation of Invoice I need the foundation classes. ie.
1.Customer - for whom I am going to make the Invoice
2. Journal - The main ingredients for making the Invoice
3. Journal belongs to some Publisher ....
As I am a newbie in OOPS ..... I just want to design the above system with the help of Class and interface(s). I am using VB.NET 2005.
Precisely I want to know that in which way I should start making my design so that it will be easier for me ???