Compactando ViewState – ASP.NET

public class ClassCompactarViewState: : System.Web.UI.Page
{
      public ClassCompactarViewState()
      {
            //
            // TODO: Add constructor logic here
            //
      }
 
 
    public static byte[] CompactarViewState(byte[] bytes)
    {
        MemoryStream MSsaida = new MemoryStream();
        GZipStream gzip = new GZipStream(MSsaida,
                          CompressionMode.Compress, true);
        gzip.Write(bytes, 0, bytes.Length);
        gzip.Close();
        return MSsaida.ToArray();
    }
 
    public static byte[] DescompactarViewState(byte[] bytes)
    {
        MemoryStream MSentrada = new MemoryStream();
        MSentrada.Write(bytes, 0, bytes.Length);
        MSentrada.Position = 0;
        GZipStream gzip = new GZipStream(MSentrada,
                          CompressionMode.Decompress, true);
        MemoryStream MSsaida = new MemoryStream();
        byte[] buffer = new byte[64];
        int leitura = -1;
        leitura = gzip.Read(buffer, 0, buffer.Length);
        while (leitura > 0)
        {
            MSsaida.Write(buffer, 0, leitura);
            leitura = gzip.Read(buffer, 0, buffer.Length);
        }
        gzip.Close();
        return MSsaida.ToArray();
    }
 
    protected override object LoadPageStateFromPersistenceMedium()
    {
        string viewState = Request.Form["__VSTATE"];
        byte[] bytes = Convert.FromBase64String(viewState);
      // DESCOMPACTAR VIEWSTATE   
        bytes = ClassCompactarViewState.DescompactarViewState(bytes);
        LosFormatter formatter = new LosFormatter();
        return formatter.Deserialize(Convert.ToBase64String(bytes));
    }
 
    protected override void SavePageStateToPersistenceMedium(object viewState)
    {
        LosFormatter formatter = new LosFormatter();
        StringWriter writer = new StringWriter();
        formatter.Serialize(writer, viewState);
        string viewStateString = writer.ToString();
        byte[] bytes = Convert.FromBase64String(viewStateString);
     // COMPACTAR VIEWSTATE
        bytes = ClassCompactarViewState.CompactarViewState(bytes);
        ClientScript.RegisterHiddenField("__VSTATE", Convert.ToBase64String(bytes));
    }
 }  

public partial class _Default : CompactarssViewState
{
    protected void Page_Load(object sender, EventArgs e)
    { 
    }
}