1. Tracy Lamb
  2. PowerBuilder
  3. Friday, 2 July 2021 14:04 PM UTC

I have a universal datawindow userobject... u_dw.

Inherited a new object u_dw_attachments

Added a user function of_setworkorder( al_workorder )

In script, when I try to call that function, I get a compiler error. Here's my script:

idw_attachments.of_setworkorder(il_workorder)

Here's the error:

C0051: Unknown function name: of_setworkorder

The function is public

Any idea what's causing this error?

TIA,

Tracy

 

Accepted Answer
David Vasconcelos Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 17:25 PM UTC
  2. PowerBuilder
  3. # Permalink

Hi Terry based on what you mentioned. Your idw_attachments is declared from the wrong object.

Assuming I am understanding what you wrote..

You have an existing object u_dw, you then created a new object u_dw_attachments which was inherited from u_dw.

You added a new function of_setworker in u_dw_attachments.

when you declared idw_attachments you used u_dw,

as stated above

u_dw idw_attachments

so idw_attachements is now u_dw and not u_dw_attachments so the new function does not exist, 

You may have wanted to use

u_dw_attachements idw_attachments

which then would give you u_dw and u_dw_attachments access..

Assuming I understood you correctly.

Dave V.

 

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Tracy Lamb Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 19:25 PM UTC
  2. PowerBuilder
  3. # 1

Thank you for taking the time to reply! Another user provided the solution... just change the instant object declaration type from u_dw to u_dw_attachments so I can have access to all u_dw functionality as well as u_dw_attachments additional functionality.

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Tracy Lamb Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 19:19 PM UTC
  2. PowerBuilder
  3. # 2

Thank you! Thank you! Thank you!

That fixed the problem!

~~~Tracy

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John Fauss Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 16:35 PM UTC
  2. PowerBuilder
  3. # 3

Hi, Tracy -

Objects inherited from u_dw will only have access to the public/protected methods (functions) and properties (instance variables) in u_dw or its ancestor(s). The of_setworkorder function doesn't exist in u_dw... you created it in a descendant of u_dw named u_dw_attachments. This is why the compiler cannot find this function.

You need to replace the desired u_dw user object(s) with a u_dw_attachments user object in the window/tab page in order to be able to invoke the of_setworkorder function.

I strongly recommend you create a backup copy of the window or tab page user object(s), and/or export the window  or tab page user object(s) before making this type of change, particularly if you have not previously performed similar tasks.

Best regards,
John

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  1. Miguel Leeuwe
  2. Friday, 2 July 2021 17:14 PM UTC
Hi John, exactly what I was trying to say.

regards
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Tracy Lamb Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 15:54 PM UTC
  2. PowerBuilder
  3. # 4

They type is u_dw ... this works with all the other dw objects... u_dw_attachments inherits from u_dw... all the other dw instances also inherit from u_dw

// Use instance variables for easy reference to
// the tab pages, and DWs on tab pages...
u_dw idw_workorder
u_dw idw_datasheet
u_dw idw_standards
u_dw idw_certificate
u_dw idw_maintenance
u_dw idw_parts
u_dw idw_timesheet
u_dw idw_notes
u_dw idw_history
u_dw idw_attachments
u_dw idw_CurrentDW

UserObject itabpage_workorder
UserObject itabpage_datasheet
UserObject itabpage_standards
UserObject itabpage_certificate
UserObject itabpage_maintenance
UserObject itabpage_parts
UserObject itabpage_timesheet
UserObject itabpage_notes
UserObject itabpage_history
UserObject itabpage_attachments

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Tracy Lamb Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 15:45 PM UTC
  2. PowerBuilder
  3. # 5

u_dw

 

// Use instance variables for easy reference to
// the tab pages, and DWs on tab pages...
u_dw idw_workorder
u_dw idw_datasheet
u_dw idw_standards
u_dw idw_certificate
u_dw idw_maintenance
u_dw idw_parts
u_dw idw_timesheet
u_dw idw_notes
u_dw idw_history
u_dw idw_attachments
u_dw idw_CurrentDW

UserObject itabpage_workorder
UserObject itabpage_datasheet
UserObject itabpage_standards
UserObject itabpage_certificate
UserObject itabpage_maintenance
UserObject itabpage_parts
UserObject itabpage_timesheet
UserObject itabpage_notes
UserObject itabpage_history
UserObject itabpage_attachments

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Miguel Leeuwe Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 14:53 PM UTC
  2. PowerBuilder
  3. # 6

are you sure your instance variable "idw_attachments" is of type "u_dw_attachments" and not maybe "u_dw"?

regards

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  1. Tracy Lamb
  2. Friday, 2 July 2021 19:27 PM UTC
Sorry... I missed this comments... that was the correct answer. Thank you for taking time to reply. Rookie mistake!
  1. Helpful
  1. Miguel Leeuwe
  2. Saturday, 3 July 2021 01:14 AM UTC
np Tracy, glad it's working now. (to be fair, Mike S already asked you about the type before my comment)

:)
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Tracy Lamb Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 14:16 PM UTC
  2. PowerBuilder
  3. # 7

The datawindow userobject is on a tabpage userobject, and the tabpage userobject is in a tab object in the window I'm working on. Here's the code for the SelectionChanged event on the tab:

CASE itabpage_attachments
idw_CurrentDW = idw_attachments
idw_attachments.retrieve(il_workorder)
idw_attachments.of_setworkorder(il_workorder)
ls_topic='Workorder Attachments'
END CHOOSE

 

 

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  1. mike S
  2. Friday, 2 July 2021 15:05 PM UTC
what type is idw_CurrentDW?
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Matt Balent Accepted Answer Pending Moderation
  1. Friday, 2 July 2021 14:08 PM UTC
  2. PowerBuilder
  3. # 8

And you put the inherited object on the form / object you have the script in?

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