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As the Controller is responsible to delegate requests and responses, the
View responsible to display results and request-forms and the Model
responsible to handle data, where do we put testing of inputfields,
processing of resultvalues etc?
example:
FormA : request parameter
FormB : response data (db-record details)
FormC : confirmation form for datachanges

1) User enters parameter in FormA and submits.
2) Controller forwards parameter to Model
3) Model retrieves data from db
4) Model signals Controller succesfull retrieval
5) Controller forwards FormB to browser
6) FormB is displayed in browser
7) User changes data in FormB and submits
...
8) ??? tests data and processes specific vars (varC = varA * varB)
...
9) FormC is displayed in browser

one can do this in the Controller or Model.  I think the Model should do
this because
(A) it must stay independent of Controller
(B) Model can be used by ClientServer java application too


"   I don't have problems, only challenges...  "

Patrick Goovaerts
WebMaster
Clipper Support nv
TEL : 0032 (0)3 5453991
GSM: 0498 610 325
WEB: www.conti7.be


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