There is no reason you can't design the application to be three tier today. Tiers do not necessarily mean physically separated services, but each tier can be logically separated. That way, when you do physically separate the components, you should have minimal code changes.


>Hi
>
>I'm currently working on an application in VFP6.0, that may one day, be built as a 3-tier system.
>
>Because I am aware of this, I'm trying to keep the development in a direction that will ease the pain of turning it into a 3-tier app in the future. I do realise this is "ease", not eliminate.
>
>Has anyone got any suggestions on how the app could be written to make it easier to re-write in the futre.
>
>I'm thinking along the lines of keeping UI code in the forms, and data-manipulation in separate objects, and not allowing one to directly "dabble" with the other.
>
>I know there is more to it than that, but I want a general direction in which to follow, am I on the right lines here?
>
>Thanks
>Kev