fireTableDataChanged();
fireTableRowsDeleted(rowCount,existingRowCount-1); } else { int rowsToAdd = rowCount - existingRowCount; for (int i = 0; i < rowsToAdd; i++) { Vector tmp = new Vector(); tmp.setSize(columnIdentifiers.size()); dataVector.add(tmp); } fireTableRowsInserted(existingRowCount,rowCount-1); }
  public void setRowCount(int rowCount)   {    dataVector.setSize(rowCount);    fireTableDataChanged();  }