java - how to format a string value to double decimal format - 


number format nf = numberformat.getnumberinstance(locale.us);  decimalformat df = (decimalformat)nf; df.applypattern("$###,###.###"); string format_val=df.format(4596.37); num = new jxl.write.number(i, j,double.parsedouble(format_val),arial10format);

here i'm getting numberformatexception : 

java.lang.numberformatexception: input string: "$4,596.37"

how solve one?

what "think" want (i've not tried this) let cell take care of formatting, example...

numberformat decimalno = new numberformat("$###,###.###");  writablecellformat numberformat = new writablecellformat(decimalno); //write datasheet number numbercell = new number(i, j, 4596.37, numberformat);  excelsheet.addcell(numbercell);

take @ writablecellformat more details

what you've tried is...

  1. convert double value 4596.37 string, format of $###,###.###
  2. try , convert $4,596.37 double...which fails string you've passed not conform requirements of double...

a number has no concept of format, that's formatters for. in case, however, excel cell has it's own internal formatting capabilities can take care of you


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