SET DATASESSION is not recommended for use when any forms are active. Perhaps what you need is a Custom object to act as a messenger, that is, to store the values you need independent of any datasession.

>Sometimes when I am in a private datasession there is a value in another data session I want.
>
>I realise I can use set datasession to switch back to the other session
>get the value and then switch back again but I wondered if there was a different way that I have missed.
>
>Thanks