private Rdl.TablixCellsType CreateTableCells()
        {
            Rdl.TablixCellsType tableCells = new Rdl.TablixCellsType();
            TablixCellType[] cells=new TablixCellType[m_fields.Count];
            int i = 0;
            foreach (var f in m_fields)
            {
                cells[i] = CreateTablixCell(i, f.Value);
                i++;
            }
            tableCells.Items = cells;

            return tableCells;
        }
        private Rdl.TablixCellsType CreateHeaderTableCells()
        {
            Rdl.TablixCellsType headerTableCells = new Rdl.TablixCellsType();

            TablixCellType[] cells= new Rdl.TablixCellType[m_fields.Count];
            int i = 0;
            foreach (var f in m_fields)
            {
                cells[i] = CreateHeaderTableCell(f.Key);
                i++;
            }
            headerTableCells.Items = cells;
            return headerTableCells;
        }