public HSSFDataFormat createDataFormat() {if (formatter == null) {formatter = new HSSFDataFormat(workbook);}return formatter;}

public HSSFDataFormat createDataFormat ( ) { if ( formatter == null ) { formatter = new HSSFDataFormat ( workbook ) ; } return formatter ; }
public NPOI.SS.UserModel.IDataFormat CreateDataFormat(){if (formatter == null)formatter = new HSSFDataFormat(workbook);return formatter;}
