c# string to byte array

                                    var str = System.Text.Encoding.Default.GetString(result);

                                    public byte[] ConvertNumToByte(int Number)
{
  byte[] ByteArray = new byte[32];
  string BinString = Convert.ToString(Number, 2);
  char[] BinCharArray = BinString.ToCharArray();
  try
  {
    System.Array.Reverse(BinCharArray);
    if (BinCharArray != null && BinCharArray.Length > 0)
    {
      for (int index = 0; index < BinCharArray.Length; ++index)
      {
        ByteArray[index] = Convert.ToByte(Convert.ToString(BinCharArray[index]));
      }
    }
  }
  catch
  {
  }
  return ByteArray;
}

                                    // Convert an object to a byte array
private byte[] ObjectToByteArray(Object obj)
{
    if(obj == null)
        return null;

    BinaryFormatter bf = new BinaryFormatter();
    MemoryStream ms = new MemoryStream();
    bf.Serialize(ms, obj);

    return ms.ToArray();
}

// Convert a byte array to an Object
private Object ByteArrayToObject(byte[] arrBytes)
{
    MemoryStream memStream = new MemoryStream();
    BinaryFormatter binForm = new BinaryFormatter();
    memStream.Write(arrBytes, 0, arrBytes.Length);
    memStream.Seek(0, SeekOrigin.Begin);
    Object obj = (Object) binForm.Deserialize(memStream);

    return obj;
}

                                    // Convert a string to a C# byte[]
//change encoding depending on your data
string someText = "some data as text.";
byte[] bytes = Encoding.ASCII.GetBytes(author);

// Convert a byte array to a C# string    
string str = Encoding.ASCII.GetString(bytes);  
Console.WriteLine(str);

                                    using System.Text;
public static byte[] encode(string stringToEncode)
{
  UTF8Encoding utf8 = new UtF8Encoding();
  byte[] bytename = new byte[1024];
bytename = utf8.GetBytes(stringToEncode);
  return bytename;
}