public static void Main()
double amountInDouble = 1234.95;
amountInDouble.ToString("C");
Console.WriteLine(amountInDouble.ToString("C", System.Globalization.CultureInfo.GetCultureInfo("en-ie")));
Console.WriteLine(amountInDouble.ToString("C", System.Globalization.CultureInfo.GetCultureInfo("es-es")));
Console.WriteLine(amountInDouble.ToString("C", System.Globalization.CultureInfo.GetCultureInfo("en-GB")));
Console.WriteLine(amountInDouble.ToString("C", System.Globalization.CultureInfo.GetCultureInfo("en-au")));
Console.WriteLine(amountInDouble.ToString("C", System.Globalization.CultureInfo.GetCultureInfo("en-us")));
Console.WriteLine(amountInDouble.ToString("C", System.Globalization.CultureInfo.GetCultureInfo("en-ca")));