Figure 1. Designing a CD and DVD Shopping Basket Component in VB6.
The standard way of building Web applications in the VB6 era usually meant architecting applications around three tiers: presentation, business logic, and data tier. The technology of choice for presentation tier was ASP pages. For business-tier VB6, COM components were the standard solution. The diagram depicts typical implementation of business logic—Shopping Cart, as a VB6 COM component.