Formatting Numbers as Strings with Commas in place of Decimals

Question

I have the following number: 4.3

I\'d like to display this number as 4,3 for some of our European friends.

I was under the impressi

Answer 1

NumberFormatInfo nfi = new NumberFormatInfo();
nfi.NumberDecimalSeparator = ",";
nfi.NumberGroupSeparator = ".";

double num = 4.3;
string ret = num.ToString(nfi);    // 4,3