>Hi All,
>
>I have a data entry in a grid and I want to encode all record before saving it all at once. To avoid duplicate entry(record key), How can I check a record which is already in grid? I used optimistic table buffering.
>
>Thank you in advance..
>
>Mike

What do you mean Mike ? xBase commands (including index related ones) work on buffered data too.
PS: Maybe you're looking for IndexSeek() ?
Cetin