generate the data table columns

main.dart

  List<DataColumn> generateDataColumns() {
    return const <DataColumn>[
      DataColumn(
        label: Text(
          'Name',
          style: TextStyle(fontStyle: FontStyle.italic),
        ),
      ),
      DataColumn(
        label: Text(
          'Value',
          style: TextStyle(fontStyle: FontStyle.italic),
        ),
      ),
    ];
  }

  List<DataRow> generateDataRows(BuildContext context, List<ConfigData> data) {
    return data.map((element) => getRow(element)).toList();
  }

  DataRow getRow(ConfigData element) {
    return DataRow(
      cells: <DataCell>[
        DataCell(Text(element.name)),
        DataCell(
            TextFormField(
              initialValue: element.value,
              keyboardType: TextInputType.name,
              onFieldSubmitted: (val) {
                element.value = val;
                setConfigValue(element);
              },
            ),
            showEditIcon: true),
      ],
    );
  }