$PBExportHeader$f_xls_chkdw.srf
global type f_xls_chkdw from function_object
end type

forward prototypes
global function boolean f_xls_chkdw (string arg_dataobject)
end prototypes

global function boolean f_xls_chkdw (string arg_dataobject);datastore ds
ds = create datastore
ds.dataobject = arg_dataobject

String result
result = ds.Describe("Datawindow.Objects")
if isnull(result) or result = '' then return false
return true
end function