public Report(string fileName) { this.fileName = fileName; workbook = new XSSFWorkbook(); listSumRtkGts = new List<int>(); cellStyles = new CellStyles(workbook); styleDouble = cellStyles.Double(); styleDoubleBold = cellStyles.DoubleBold(); styleTable = cellStyles.Table(); styleCaption = cellStyles.Caption(); styleDoubleGts = cellStyles.DoubleGts(); styleGts = cellStyles.Gts(); styleDoubleRtk = cellStyles.DoubleRtk(); styleRtk = cellStyles.Rtk(); }