>We are updating a file in memory, from a file on the drive.
>We can get the actual new data from the drive into memory when
>we add or delete a record.
>
>We cannot seem to force a guaranteed refresh, however, if we
>do not. No matter what we do, we seem to be reading data
>from memory.

Glenn,

Issuing a lock and unlock will refersh the buffer.

SELECT WhateverTable
SEEK WhateverValue
DO WHILE NOT RLOCK() && You'll need more code here to handle the inability to 
                     && lock
ENDDO
UNLOCK
* The buffer will be fresh now