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Resolved Working with an array of NVO's of type DataStore
  1. How-to
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  1. Krishna Mohan Gullap
  2. PowerBuilder
  3. Tuesday, 2 July 2024 01:51 PM UTC

Hello there to all PB Guru's

So, in my application, I have an NVO (say nvuo_dw) of type DataStore with the below variables:

2 strings and 1 string array

In my window code, I create an array of type nvuo_dw and dynamically populate it, depending on the number of DataWindows in my window (which I obtain using the Control[] built-in array in Window Code)

nvuo_dw    lnvuo_dw_list[]

I am trying to create the instance of the first member of this array using the following command

lnvuo_dw_list[1] = Create DataStore // Doesn't work

 

So, I tried creating a Dummy DataStore and assign it to the first element of the array

DataStore lds_temp

lds_temp = Create DataStore

lnvuo_dw_list[1] = lds_temp //This one fails during runtime throwing the error 'Cannot assign object of type datastore to variable of type nvuo_dw

                                         // (even though nvuo_dw is an NVO of type DataStore

I tried creating a dynamic DS and assigning it to this too, but nothing has worked so far

 

Then, I tried creating it using the SyntaxFromSQL method as well, that didn't work either

ls_new_syntax = SQLCA.SyntaxFromSQL(ldw_sample.GetSQLSelect() , 'Style(Type=Form)', ls_err)

lnvuo_dw_list [1].Create(ls_new_syntax, ls_err) //This one fails with the same runtime error

 

Basically, I am stuck :-) Any help is greatly appreciated!

Regards,

Krish

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