Thanks - I'll give that a go!
----- Original Message -----
From: "Paul McNett" <[EMAIL PROTECTED]>
To: "Dabo Users list" <[email protected]>
Sent: Wednesday, November 19, 2008 12:20 PM
Subject: Re: [dabo-users] Data Types in Bizobj
> Roger Lovelock wrote:
>> I like the idea of setting up my DataStructure in my code rather than
>> changing my database (since, at least in theory, it could be in use by
>> other apps and I don't want to break them). As I generated my Bizobj from
>> within the ClassDesigner the code is not in the biz folder, but instead
>> is in the code file for my screen (and saved in the ui folder) - code as
>> below :-
>>
>>
>> def createBizobjs(self):
>> class MembershiptypesBizobj(dabo.biz.dBizobj):
>>
>> def afterInit(self):
>> self.DataSource = "MembershipTypes"
>> self.KeyField = "MTypeID"
>> self.addFrom("MembershipTypes")
>> self.addField("MTypeDues")
>> self.addField("MTypeDesc")
>> self.addField("MTypeID")
>>
>> def validateRecord(self):
>> """Returning anything other than an empty string from
>> this method will prevent the data from being saved.
>> """
>> ret = ""
>> myval = self.Record.MTypeDesc
>> if myval is None or myval =='':
>> ret = "Please enter a description"
>> # need to focus back on text field here
>> # Add your business rules here.
>> return ret
>>
>> membershipTypesBizobj = MembershiptypesBizobj(self.Connection)
>> self.addBizobj(membershipTypesBizobj)
>> self.requery()
>>
>> Should I add an initProperties(self) method as in Uwe's example, set up
>> the DataStructure in that, and then addFrom that data structure - or can
>> I just set up the DataStructure directly and not need to add fields as a
>> seperate step?
>
> Add initProperties() with the setting of the DataStructure (you can
> probably copy it
> over from the AppWizard output for the same bizobj). You still need the
> same
> addFrom() and addField() calls - those fulfill a different need.
>
> You can eventually move that bizobj code to a more sensible location, such
> as in your
> project's biz directory, but leave it where it is for now until you
> understand more
> about how Dabo works. The benefit of leaving it where it is: you can edit
> it inside
> the ClassDesigner.
>
> Paul
>
>
[excessive quoting removed by server]
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