Property DatasessionID on form is Read/Write. You can change its value in Load() or Init()

Or You can use command SET DATASESION TO ...

form::any_method(liAnotherDS)
LOCAL liDSIDOld
liDSIDOld=m.This.DataSessionID
IF liAnotherDS>=0
   SET DATASESSION TO liAnotherDS && Change DS
ENDIF
** any code

SET DATASESSION TO (liDSIDOld) && Reset DS
RETURN

MartinJ

>then? :-)
>how can I impose a diferent datasession for that form ?
>
>>>but isn't the datasession property of a form available only at design time ?
>>Yes datasession property of a form is available at design time and read-only at run time.