private string groupCount(PollutantReleases.ReleasesTreeListRow row)
    {
        int total  = ListOfValues.CountLeafPollutants(row.Code);
        int number = 0;

        return(String.Format("({0}/{1})", number, total));
    }
    protected string GetGroupCount(object obj)
    {
        IndustrialActivity.IAReleasesTreeListRow row = (IndustrialActivity.IAReleasesTreeListRow)obj;

        if (row.HasChildren)
        {
            int total  = ListOfValues.CountLeafPollutants(row.Code);
            int number = row.CountChildPollutants;
            return(String.Format("({0}/{1})", number, total));
        }
        else
        {
            return(string.Empty);
        }
    }