public void addRow(final MemberTableRowData rowData){
  model.add(rowData);
  validRows.add(false);
  fireTableRowsInserted(model.size() - 1,model.size() - 1);
}

public void addRow ( final MemberTableRowData rowData ) { model . add ( rowData ) ; validRows . add ( false ) ; fireTableRowsInserted ( model . size ( ) - 1 , model . size ( ) - 1 ) ; }
adds a new row to the table model with the given data .
