label.setTop(250);
label.setAlign(Alignment.CENTER);
label.setBorder("1px solid #808080");
canvas.addChild(label);
countryGrid.addCellClickHandler(new CellClickHandler() {
public void onCellClick(CellClickEvent event) {
ListGridRecord record = event.getRecord();
int colNum = event.getColNum();
ListGridField field = countryGrid.getField(colNum);