public void setValueAt(Object aValue, int row, int col) {
		//data[rowIndex][columnIndex] = (String) aValue;
		try {
		   Audience element = audienceResultList.get(row);
                   element.setColumnData(col, aValue); 
            fireTableCellUpdated(row, col);
		} catch(Exception err) {
			err.toString();
		}	
	 }