zip to blob

zipAndBlob.cs

public void UploadDataModel(DataModel model)
{
    MemoryStream stream = new MemoryStream();
    using (var sw = new StreamWriter(stream))
    using (JsonWriter writer = new JsonTextWriter(sw))
    {
        var serializer = new JsonSerializer();
        serializer.Serialize(writer, model);
        sw.Flush();
        stream.Position = 0;

        using (var mso = new MemoryStream())
        {
            using (var gs = new GZipStream(mso, CompressionMode.Compress))
            {
                CopyTo(stream, gs);
            }

            mso.Flush();
            byte[] data = mso.ToArray();
            CloudBlockBlob blockBlob = cloudBlobContainer.GetBlockBlobReference(blobName);
            blockBlob.UploadFromByteArray(data, 0, data.Length);
        }
    }
}

void CopyTo(Stream src, Stream dest)
{
    byte[] bytes = new byte[4096];
    int cnt;
    while ((cnt = src.Read(bytes, 0, bytes.Length)) != 0)
    {
        dest.Write(bytes, 0, cnt);
    }
}