public String getSheetLastNameByExternSheet(int externSheetIndex) {return _iBook.findSheetLastNameFromExternSheet(externSheetIndex);}

public String getSheetLastNameByExternSheet ( int externSheetIndex ) { return _iBook . findSheetLastNameFromExternSheet ( externSheetIndex ) ; }
public String GetSheetLastNameByExternSheet(int externSheetIndex){return _iBook.FindSheetLastNameFromExternSheet(externSheetIndex);}
