public String toFormulaString() {StringBuilder sb = new StringBuilder(64);if (externalWorkbookNumber >= 0) {sb.append('[');sb.append(externalWorkbookNumber);sb.append(']');}if (sheetName != null) {SheetNameFormatter.appendFormat(sb, sheetName);}sb.append('!');sb.append(FormulaError.REF.getString());return sb.toString();}

public String toFormulaString ( ) { StringBuilder sb = new StringBuilder ( 64 ) ; if ( externalWorkbookNumber >= 0 ) { sb . append ( '[' ) ; sb . append ( externalWorkbookNumber ) ; sb . append ( ']' ) ; } if ( sheetName != null ) { SheetNameFormatter . appendFormat ( sb , sheetName ) ; } sb . append ( '!' ) ; sb . append ( FormulaError . REF . getString ( ) ) ; return sb . toString ( ) ; }
public override String ToFormulaString(){StringBuilder sb = new StringBuilder();if (externalWorkbookNumber >= 0){sb.Append('[');sb.Append(externalWorkbookNumber);sb.Append(']');}if (sheetName != null){sb.Append(sheetName);}sb.Append('!');sb.Append(ErrorConstants.GetText(ErrorConstants.ERROR_REF));return sb.ToString();}
