c# - String.Format Currency for K, M and B -

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if currency amount large, i'm trying abbreviate it.

for example:

   if (amt > 1000000)    {        decimal d = (decimal)math.round(amt / 1000, 0);        return string.format("{0:c0}", d) + " k";    }

if number given on 1 million, take off last 3 digits , replace k. works fine when currency symbol (like $ on left hand side)

however, currency symbols put on right hand side.

so instead of nice looking $100 k usd, i'd 100 € k french euros.

how can change format put k after numbers, , before currency symbol.

seems might step far. ideas?

you can use currencypositivepattern determine if currency symbol comes before or after number. can modify currencysymbol suit needs.

        decimal amt = 10000000;         thread.currentthread.currentculture = new cultureinfo("fr-fr");     //set france current culture         numberformatinfo nfi = cultureinfo.currentculture.numberformat;          string currencysymbol =  nfi.currencysymbol;         int currencyposition = nfi.currencypositivepattern;          if (amt > 1000000)          {         if (currencyposition == 3)     // n $           {             nfi.currencysymbol = "k " + currencysymbol;         }             decimal d = (decimal)math.round(amt / 1000, 0);             string output = d.tostring("c");         }

i know not best implementation of custom number format, idea across.

see: numberformatinfo.currencypositivepattern property


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