/// <summary>
        /// Gets the JSON data from the blob. The blobs are pre-created as key value pairs using Ops tasks.
        /// </summary>
        /// <param name="blobName"></param>
        /// <param name="xValues"></param>
        /// <param name="yValues"></param>
        public static void AppendDatatoBlob(CloudStorageAccount account, string blobName, Tuple <string, string> tuple, int bufferCount, string containerName = "dashboard")
        {
            List <Tuple <string, string> > dict = new List <Tuple <string, string> >();

            try
            {
                if (ReportHelpers.IffBlobExists(account, blobName, containerName))
                {
                    string json = Load(account, blobName, containerName);
                    if (!string.IsNullOrEmpty(json))
                    {
                        JArray array = JArray.Parse(json);
                        foreach (JObject item in array)
                        {
                            dict.Add(new Tuple <string, string>(item["key"].ToString(), item["value"].ToString()));
                        }
                    }
                }
            }catch (StorageException e)
            {
                Console.WriteLine(string.Format("Exception thrown while trying to load blob {0}. Exception : {1}", blobName, e.Message));
            }


            dict.Add(tuple);
            if (dict.Count > bufferCount)
            {
                dict.RemoveRange(0, dict.Count - bufferCount);
            }

            JArray reportObject = ReportHelpers.GetJson(dict);

            ReportHelpers.CreateBlob(account, blobName, containerName, "application/json", ReportHelpers.ToStream(reportObject));
        }