Hi Arnold, If you have index on the table you can use command SET KEY TO, which limits displayed record only to those having index expression of certain value or within a range of two values. This gives much higher performace then SET FILTER TO. Jarda Lang Hi,every VFP developer I have a large database file consists of 50,000+ records in VFP 5.0.My form have a grid control display records from it.But I want to limit display parts of it.By consulting Microsoft Knowledge base,they suggests uses "SET FILTER TO" command.But the performance in grid is very slow even the filter field was indexed on it. Anybody have a idea to limit display records in grid other than uses SET FILTER TO ? Thanks. Arnold Attachment Converted: WINMAIL.DAT