Generally, if you are using an iframe for the Window, then you need to access the parent page's script context in order to pass values to the parent page. This is possible only if the main page and iframe page belong to the same domain.
If you are not using an iframe, then there is nothing special in passing the value, because the main page and the Window content belong to the same script context.
The selected Grid row(s) can be retrieved in the widget's change
event and/or by using the select
On a side note, please avoid posting duplicate forum threads and support tickets.
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