}
void doCellEvent(CellEvent event){
Worksheet sheet = event.getSheet();
lastRow = event.getRow();
lastCol = event.getColumn();
Label lbpos = (Label)getFellow("lbpos");
Textbox tbxval = (Textbox)getFellow("tbxval");
CellRangeAddress addr = new CellRangeAddress(lastRow, lastRow, lastCol, lastCol);
Cell cell = Utils.getCell(sheet, lastRow, lastCol);
lbpos.setValue(addr.formatAsString());
tbxval.setValue(cell == null ? "" : Utils.getEditText(cell));
}