Specifying the DataWindow object during execution – PB Docs 2021

Changing the DataWindow
object

In PowerBuilder, set the DataObject property to one of the
DataWindow objects built into the application.

Setting the transaction object when you
change the DataWindow object

When you change the DataWindow object during execution, you might
need to call setTrans or setTransObject again.

For more information, see Setting the transaction object for the
DataWindow control.

Dynamically creating a DataWindow
object

You can also create a new DataWindow object during execution and
associate it with a control.

For more information, see Dynamically Changing DataWindow
Objects.