public void AddARow(Dictionary <String, object> items, Dictionary <int, String> colors = null)
        {
            HtmlTableRow row = _table.AddRow();

            foreach (string key in items.Keys)
            {
                int index = _table.GetField(key);
                if (index >= 0)
                {
                    bool          isHeaderCell;
                    HtmlTableCell cell = row.Cell(index, out isHeaderCell);
                    cell.Content   = items[key];
                    cell.BackColor = Color.FromName(colors[index]);
                }
            }
            //ReportForm.addValues(items, colors);
        }