XML (or any string type) compression

// XML (or any string type) compression

public static byte[] CompressXML(string xml)
{
byte[] temp = Encoding.UTF8.GetBytes(xml);
MemoryStream ms = new MemoryStream();
DeflateStream ds = new DeflateStream(ms, CompressionMode.Compress);
ds.Write(temp, 0, temp.Length);
ds.Flush();
ds.Close();
return ms.ToArray();
}

public static string DecompressXML(byte[] data)
{
const int BUFFER_SIZE = 10;
byte[] tempArray = new byte[BUFFER_SIZE];
ArrayList tempList = new ArrayList();
int count = 0, length = 0;

MemoryStream ms = new MemoryStream(data);
DeflateStream ds = new DeflateStream(ms, CompressionMode.Decompress);

while ((count = ds.Read(tempArray, 0, BUFFER_SIZE)) > 0)
{
if (count == BUFFER_SIZE)
{
tempList.Add(tempArray);
tempArray = new byte[BUFFER_SIZE];
}
else
{
byte[] temp = new byte[count];
Array.Copy(tempArray, 0, temp, 0, count);
tempList.Add(temp);
}
length += count;
}

byte[] retVal = new byte[length];

count = 0;
foreach (byte[] temp in tempList)
{
Array.Copy(temp, 0, retVal, count, temp.Length);
count += temp.Length;
}

return Encoding.UTF8.GetString(retVal);
}