I have tried your code and added these lines tothe child
self.addField("fk_arcust")
> self.NonUpdateFields=["pkid"]
> self.LinkField = "fk_arcust"
> self.ParentLinkField ="pkid"
> self.FillLinkFromParent = True
I don't get any errors but I don't see any child data. Do I have to specify
something in objects?, something I have overlooked?
John-690 wrote:
>
> On Tuesday 19 January 2010 05:12:55 pm jvandal wrote:
>> I created a pillBizobj . I have a file pillBizobj that contains the
>> record
>> layout. In the edit dForm I have the statements that connect the
>> database.
>> I then created the child new_prescriptionsBizobj and havae a file
>> new_prescriptionsBizobj.py that contains the record layout. In the dFor
>> edit of createBizobj I have added the connection statements.
>>
>> I see in the Using Data Environment screencast that it describes one
>> Bizobj
>> that describes both the parent and the child records.
>> What gives?
>
> I am not aware of a screencast named "Using Data Environment". So I can't
> directly comment.
>
> However, there is no way to use one bizobj and setup a parent child
> relationship. See below of example code of a parent child relationship.
> Note that the parent is the customer class and the child is the contacts
> class. A customer (maybe a company) can have many contacts - a one to
> many
> relationship. In the child (the contact class) there are two lines of the
> class that describes the relation so Dabo can maintain the relationship.
>
> self.LinkField = "fk_arcust"
> self.ParentLinkField ="pkid"
>
> So when you move the customer record pointer Dabo will retrieve the
> contacts
> data related to the customer.
>
>
>
>
>
>> #the contact table
>> class PubliccontactsBizobj(dabo.biz.dBizobj):
>> def afterInit(self):
>> self.DataSource = "public.contacts"
>> self.KeyField = "pkid"
>> self.addFrom("public.contacts")
>> self.addField("firstname")
>> self.addField("phone")
>> self.addField("pkid")
>> self.addField("lastname")
>> self.addField("title")
>> self.addField("custno")
>> self.addField("continent")
>> self.addField("email")
>> self.addField("cont_note")
>> self.addField("fk_arcust")
>> self.NonUpdateFields=["pkid"]
>> self.LinkField = "fk_arcust"
>> self.ParentLinkField ="pkid"
>> self.FillLinkFromParent = True
>
>> #the customer table
>> class PublicarcustBizobj(dabo.biz.dBizobj):
>> def afterInit(self):
>> self.DataSource = "public.arcustomer"
>> self.addFrom("public.arcustomer")
>> self.KeyField = "pkid"
>> self.addField("czip")
>> self.addField("city")
>> self.addField("pkid")
>> self.addField("state")
>> self.addField("company")
>> self.addField("address1")
>> self.addField("address2")
>> self.addField("country")
>> self.addField("custno")
>
> Johnf
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>
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