public static boolean isCellInternalDateFormatted(Cell cell) {if (cell == null) {return false;}boolean bDate = false;double d = cell.getNumericCellValue();if ( DateUtil.isValidExcelDate(d) ) {CellStyle style = cell.getCellStyle();int i = style.getDataFormat();bDate = isInternalDateFormat(i);}return bDate;}

public static boolean isCellInternalDateFormatted ( Cell cell ) { if ( cell == null ) { return false ; } boolean bDate = false ; double d = cell . getNumericCellValue ( ) ; if ( DateUtil . isValidExcelDate ( d ) ) { CellStyle style = cell . getCellStyle ( ) ; int i = style . getDataFormat ( ) ; bDate = isInternalDateFormat ( i ) ; } return bDate ; }
public static bool IsCellInternalDateFormatted(ICell cell){if (cell == null) return false;bool bDate = false;double d = cell.NumericCellValue;if (DateUtil.IsValidExcelDate(d)){ICellStyle style = cell.CellStyle;int i = style.DataFormat;bDate = IsInternalDateFormat(i);}return bDate;}
