Format Decimal from German to English with separator

1. NumberFormatInfo provider = new NumberFormatInfo();


2. provider.NumberDecimalSeparator = ",";


3. 
   


4. double doubleNumber;


5. doubleNumber = Convert.ToDouble(arg, provider);


6. return doubleNumber.ToString("F1", CultureInfo.CreateSpecificCulture("de-DE"));


7.