Hello again,

i assume you have a good reason to disconnect after retrieving data .. so i don't comment on this

what you probably fighting with is that if you have BufferMode set to 3 (record buffering) and then SKIP away from one record (but made some changes first)
TABLEUPDATE will be executed automatically in the background which of course fails cause you've disconnected from the backend ..

so if you want to:
get some data
disconnect
modify many records
later reconnect to update them all ..
you have to set BufferMode to 5 (tablebuffering) ..

Regards
Christian