public void addColumn(Object columnName, Vector columnData) {
if (columnName == null) throw new IllegalArgumentException("addColumn() - null parameter");
columnIdentifiers.addElement(columnName);
int index = 0;
Enumeration enumeration = dataVector.elements();
while (enumeration.hasMoreElements()) {
Object value;
if ((columnData != null) && (index < columnData.size())) value = columnData.elementAt(index);
else value = null;
((Vector) enumeration.nextElement()).addElement(value);
index++;
}
//
cellAtt.addColumn();
fireTableStructureChanged();
}
