C# - Decoding String From Base64

static public string DecodeFrom64(string encodedData)

{

   byte[] encodedDataAsBytes = System.Convert.FromBase64String(encodedData);

   string returnValue = System.Text.ASCIIEncoding.ASCII.GetString(encodedDataAsBytes);

   return returnValue;

}

C# - Encoding Strings to Base64

static public string EncodeTo64(string toEncode)

{

      byte[] toEncodeAsBytes = System.Text.ASCIIEncoding.ASCII.GetBytes(toEncode);

      string returnValue = System.Convert.ToBase64String(toEncodeAsBytes);

      return returnValue;

}