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Resolved datawindow argument of type string array - using the value(s) in a computed field

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  1. mike S
    mike S
  2. PowerBuilder
  3. Wednesday, 30 May 2018 21:08 PM UTC

I appears that i can access an array argument value using a computed field.  The values are quoted, and there appears to be a space between them?

Does anyone know the format? 

Also, if i am just running the dw in preview mode, it appears that i can delimit the values using a space or a comma?  

 

I would like to be able to parse it out in a computed field and display either the first, 2nd, etc. values.

I assume that number/date array arguments work the same exact way?

 

 

  1. DataWindow
  2. Array
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Michael Kramer
Michael Kramer Accepted Answer Pending Moderation
  1. Thursday, 31 May 2018 07:41 AM UTC
  2. PowerBuilder
  3. # 1

Hi Mike,

This answer is about sending arrays as retrieval arguments. Syntax for passing arrays as retrieval arguments is as follows:

string sCurrency[ ]
date dIgnoreDate[ ]
. . .
sCurrency = {'CH', 'DE', 'DK', 'GB'}
dIgnoreDate = {dYesterday, dToday, dNewYearDay, dXmasEve, dXmasDay, dBoxingDay, dNewYearEve}
 
dw_data.Retrieve(sCurrency , dIgnoreDate)
 
If on the other hand, you wanted to know how to access the array style retrieval argument in a computed field, please reply.

HTH /Michael

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mike S
mike S Accepted Answer Pending Moderation
  1. Thursday, 31 May 2018 15:06 PM UTC
  2. PowerBuilder
  3. # 2

Hi Michael,

thanks for the reply.

I want to know the syntax within the datawindow at runtime so that i can access the array values in computed fields and/or expressions.  

 

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Alfredo Aldama
  1. Alfredo Aldama
  2. Friday, 1 June 2018 02:10 AM UTC
Hi,



The workaround, make it with global function, the arguments for the function ( Array, Index), You will have to build the function.



Expresion (inside datawindows):



Value = gf_Element(Array, Index)



 



Regards !



 



 

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