text: public override String ToString(){switch (CellType){case CellType.Blank:return "";case CellType.Boolean:return BooleanCellValue ? "TRUE" : "FALSE";case CellType.Error:return NPOI.SS.Formula.Eval.ErrorEval.GetText(((BoolErrRecord)_record).ErrorValue);case CellType.Formula:return CellFormula;case CellType.Numeric:string format = this.CellStyle.GetDataFormatString();DataFormatter formatter = new DataFormatter();return formatter.FormatCellValue(this);case CellType.String:return StringCellValue;default:return "Unknown Cell Type: " + CellType;}}