local xl = excel.load("c:\\test.xls")
if xl < 1 then
    print("Error loading workbook")
else
    -- get first 10 rows from first column in first worksheet
    local cells = data.createGrid()
    local cells = getCells(0, 1, 1, 1, 10)

    -- display the cells
    data.ui.showGridViewerDialog("Data", cells)

    -- close the workbook
    excel.close(xl)
end if