>I am running a report
>
>cAlias = "tmp"
>cRptName = "forecast"
>
>LOCAL loReport AS "PreviewHelper" OF "FoxyPreviewer.App"
>loReport = CREATEOBJECT("PreviewHelper")
>loReport.AddReport(cRptName, "to printer prompt preview noconsole", cAlias)
>loReport.RunReport()
>
>
>this report is run in a form whose
>DataSession = 2
>ShowWindow= 1
>
>Everything is fine except that when i close the form the files were opened in forms private datasession are still there with the name Unknown(2).
>Why the files are not closed in this data session even the datasession is set to private in form?

What version are you using ?
Please try with the latest version and let me know if the issue remains.