public IEvaluationCell GetCell(int rowIndex, int columnIndex) { SXSSFRow row = (SXSSFRow)_xs.GetRow(rowIndex); if (row == null) { if (rowIndex <= _xs.LastFlushedRowNumber) { throw new RowFlushedException(rowIndex); } return(null); } SXSSFCell cell = (SXSSFCell)row.GetCell(columnIndex); if (cell == null) { return(null); } return(new SXSSFEvaluationCell(cell, this)); }