public EvaluationSheet getSheet(int sheetIndex) {return new HSSFEvaluationSheet(_uBook.getSheetAt(sheetIndex));}

public EvaluationSheet getSheet ( int sheetIndex ) { return new HSSFEvaluationSheet ( _uBook . getSheetAt ( sheetIndex ) ) ; }
public IEvaluationSheet GetSheet(int sheetIndex){return new HSSFEvaluationSheet((HSSFSheet)_uBook.GetSheetAt(sheetIndex));}
