>thanks for your helpfull reply, can u tell me more about buffering and framework.
These are not questions that can be answered easily. For frameworks you may start from reading
http://fox.wikis.com/wc.dll?Wiki~FrameworkFeatureChartFor buffering start from reading VFP Help buffering data topic and see See Also topics for more reading...
If it's not broken, fix it until it is.
My Blog