Hi Ching,
How did you write acceessors and mutators for ADemoAddress?
ADemoAddress>>email
^email
ADemoAddress>>email: aString
email := aString
But you probably write mutator a wrong way:
ADemoAddress>>email: aString
^email := aString
In any case, try to use debugger next time to find such a mistake.
Hope this helps
Janko
On 04. 01. 2011 00:46, Ching de la Serna wrote:
> Hi,
>
> I am trying to follow the Tutorial and have gotten as far as running the
> script on a WorkSpace. I tried removing this code from the script
> aDemoAddress parent: self and there is no error message. However, the
> Tutorial says it is _handy for something else later on so I don't know
> what to do next.
>
> Running this *Doit *on a workspace produces an error:
>
> book _ ADemoAddressBook new.
> book
> addAddress: (ADemoAddress newName: 'Sebastjan' surname: 'Dormir'
> phone: '01/514 33 66' email: '
[hidden email]
> <mailto:
[hidden email]>');
> addAddress: (ADemoAddress newName: 'John' surname: 'Newton'
> phone: '05/555 77 66' email: '
[hidden email]
> <mailto:
[hidden email]>');
> addAddress: (ADemoAddress newName: 'Elizabeth' surname:
> 'Schneider' phone: '03/561 23 12' email: '
[hidden email]
> <mailto:
[hidden email]>').
>
> debugger:
> MessageNotUnderstood: ByteString: >>parent:
>
> addAddress: aDemoAddress
>
> self addresses add: aDemoAddress.
> aDemoAddress parent: self
>
> aDemoAddress: '
[hidden email]
> <mailto:
[hidden email]>'
>
>
>
>
> Ching
>
>
>
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Janko Mivšek
AIDA/Web
Smalltalk Web Application Server
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