M(y)Elwood

private byte[] StringToByteArray(string sourceString)
{
    System.Text.ASCIIEncoding sourceEncoding = new System.Text.ASCIIEncoding();
    return sourceEncoding.GetBytes(sourceString);
}

private string ByteArrayToString(byte[] sourceArray)
{
    System.Text.ASCIIEncoding sourceEncoding = new System.Text.ASCIIEncoding();
    return sourceEncoding.GetString(sourceArray);
}