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3-tier development
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Forum:
Visual FoxPro
Catégorie:
Programmation Orientée Object
Divers
Thread ID:
00740914
Message ID:
00741353
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21
Yes, of course, I have separate loading data.

>Boban,
>
>>Did I get this right, am I implementing 3-tiered development in right way as I have described?´
>You are right so far, if you keep in mind, that the Business Object is not the one loeading the data. A 3rd component (data loader, Data access object or how ever you call it) must load the data the business object uses.
>
>If you want to proof yourself if your work is ok, always ask, what have i got to do if I want to change a tier ? If you end up with - I only have to replace the component of this tier you are right. (e.g. VFP Forms --> Web Interface or VFP Data to SQL Server Data)...
>
>
>And like David already explained, implement the business object in the way you can get a cursor from it, because then databinding is easier and business objects often not just load data but also manipulate it and this is cool when you use cursors.
>
>Marcus
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