> I found that if I don't close the files, the number does not change sometimes ???
>
>Hi Shafid, how are things down your way? ;-)
>
>You're not the first to notice that closing tables is the most reliable way to avoid duplicates from multiple sessions. But there is another way: apparently any replace will cause latest data to be loaded. See http://www.west-wind.com/wiki/wc.dll?wc~TableBufferingProblemsWithVFP

Also securing an RLOCK will update the local data image from disk.