Please configure your UT membership so that you reply with my answer visible also, it's very frustrating to have to go back again and again to read what has been said in arlier messages.

1. You say mynan is empty, but you mean that it has 159 records which all are empty except one field?
2. You say that myexldata also have 159 records?
3. Are both tables always 159 records?

>hi,
>ok, i write 10 records as example.
>
>1.mynan.dbf is empty, except field19, 159 records have flags as 1,2,3...
>2.myexldata.dbf have 19 fields with full data,
>3.when i run my code,i need to see at nan.dbf full data as xldata.dbf .
>4.if i change in the future at xldata,and run mycode again ,i need to replace the new data i update to nan.dbf.
>
>thanks.
>m.qasem