for i = 1 to 3 ? oRow.Columns(i).Value endforYou can also stop the row iteration when you find the first blank row, otherwise it'll process every possible row in the spreadsheet.
if ( empty( oRow.Columns(1).Value ) ) exit endif>How can I limit the number of columns that are processed. It looks like it is processing over a hundred columns for each row. In reality I only need the first three.