>>>Hi everybody,
>>>
>>>Looks like the trick of sharing data session between two forms doesn't work with class based forms.
>>>
>>>I set my child form DS to be default and I have this form as a class and call it through menu manager DoForm method. It uses default DS and not the parent form DS as I hoped.
>>>
>>>What would be the best way to share a cursor created in the parent form with the child form in this case? Passing parent form's DE as a parameter or cursortoxml/xmltocursor?
>>>
>>>Thanks in advance.
>>
>>How about to pass DataSessionId of the parent form and use SET DATASESSION in the child ones?
>
>Yes, that's what I have in mind, though Help doesn't recommend to use this option.
>
>Strange, that it didn't work with class based forms, though. AFAIK I used this technique in MereMortals framework, where all forms are classes.
>
>BTW, there is a problem with this approach. I can pass ID to Init, but I need to see this cursor earlier, because it's a record source for the grid.
>
>On the other hand, in form's load the screen.ActiveForm is still the caller form.

I knew there is something more :-))))))))
Grids doesn't like when you switch data sessions. But I think SET DATASESSION is much faster than CURSORTOXML/XMLTOCURSOR. You just must redefine your grid, if you pass DATASESSIONID as parameter and not use _screen.ActtiveForm.