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Resolved Create a datawindow in code from existing datawindow object
  1. How-to
  2.  DataWindow
  3.  PowerBuilder (Appeon)
  4.  Source Code
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  1. kevin kevin rowe
  2. PowerBuilder
  3. Wednesday, 6 September 2023 12:43 PM UTC

In my one of my libraries I have a datawindow dw_example.

This datawindow is in use in other places and definitely works.

I have a function that requires a datawindow as a parameter, because it is generally called from a report window.

In this instance it is not. I need to create a datawindow on the fly from the definition of dw_example, and add a row to it,

then pass this to the function.

 

I have tried 

dw_1 = create datawindow
dw_1.dataobject = "dw_example"
dw_1.SetTransObject (SQLCA)
liret = dw_1.Retrieve()

This does not work.

 

I can create a datastore dynamically and this does work

ds_1 = create datastore
ds_1.dataobject = "dw_example"
ds_1.SetTransObject (SQLCA)
liret = ds_1.Retrieve()

Is it possible to create the datawindow directly or export the definition from the datastore to the datawindow?

dumping to a blob and importing crashed the app

You can dump the datastore to a resultset, but although the manual says there is a method createfrom (resultset) for datawindows

the compiler flags this as an unknown function name.

I have had a lot of problems with this crashing my app. Many of which I suspect were to do with a watch I had in debug mode that was invalid.

Deleting that allowed me to actually get the datastore version to work where as it was not before.

I've spent a lot of time trying different methods out all of which failed or crashed until I removed the watch.

 

Does anyone have an idea how to achieve the creation of a datawindow variable in local code  from a library definition ready to accept a new row with InsertRow ( 0 ) ?

 

Thank you,

 

Kevin.

 

 

  

Tabbed View causes IDE crash PB 32bit app crashing in IDE 2022
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