Sorry, but currently GrdiView scans an entire file to locate the records you want to display. You could archive away some of the records to reduce the size of your Sales Analysis file. Also, you'll see better performance if you read the file from your local hard disk (rather than over a network, and if the station has a LOT of ram (1GByte or so).

We are reviewing ways of improving GridView's ability to select a small number of records from a large dataset, but, other than the above suggestions, I'm afraid you'll just have to wait. (oh yes, try and limit the number of records you are displaying too - adding the rows takes much longer than scanning the records).