code: @Override
  	public void nextPage() {
  		if (!paged) {			
  			this.firstPage();
  			paged = true;
  		} else if (!isLast()) {
  			offset = (getPageNumber() + 1) * pageSize;
  
  			execute();
  		}
  	}
docs: Next page.
  
  @return true, if successful