src/org/tiefaces/components/websheet/TieWebSheetBean.java
public void onTabChange(final TabChangeEvent event) {
		String tabName = event.getTab().getTitle();
		loadWorkSheetByTabName(tabName);
	}
public void onTabChange(final TabChangeEvent event) {
		String tabName = event.getTab().getTitle();
		loadWorkSheetByTabName(tabName);
	}
Triggered when user switch the tab. This will load different tab(sheet)
as the current sheet.

@param event
tabchange event.