cancelButton.addClickHandler(new com.smartgwt.client.widgets.events.ClickHandler() {
public void onClick(ClickEvent clickEvent) {
popup.destroy();
}
});
footerStrip.addMember(cancelButton);
// create a small form in the header strip to allow the user to apply a value to ALL rows
final DynamicForm setAllForm = new DynamicForm();
setAllForm.setNumCols(3);
setAllForm.setCellPadding(5);