>>Is there a way to determine if a datasession is open/valid?
>>
>>Ie
>>IF DATASESSIONEXISTS(x)
>>SET DATASESSION TO (x)
>>...
>>ENDIF
>>
>>Wayne
>
>Not in VFP 5 (don't know about 6). The best I could suggest is have a property in an App object to track this.
>
>In the App class
>oApp = creatobject("AppManager") && whatever
>oApp.DSIDs = ""
>
>In form class Init:
>
>oApp.DSIDs = oApp.DSIDs + ";" + padl(This.DataSessionID, 3, "0") && pad with zeros
>
>In form QueryUnload
>
>oApp.DSIDs = strtran(oApp.DSIDs, ";" + padl(This.DataSessionID, 3, "0"), "")

Many app objects also store a reference to forms that are currently displayed. You could use the concept above and roll through the form references to get the .DataSessionID property.

Steve