Traverse the data set and populate the cells of the Excel worksheet
with its data, row by row.
do col=1 to nvar;
call send (wsobj, '_compute', 'Cells',1,
col,retcell);
var=varname(dsid,col);
call send (retcell, '_setProperty',
'Value' ,var);
end;
do while (rc ne -1);
do row = 1 to nobs;
do col = 1 to nvar;
r=row+1;
call send (wsobj, '_compute',
'Cells', r ,col,
retcell);
if vartype(dsid,col) eq 'N' then
var=getvarn(dsid,col);
else var=getvarc(dsid,col);
call send (retcell,'_setProperty',
'Value' ,var);
end;
fetch(dsid);
end;
end;
return;