var connsctionString = "your_connection_string";
            var cloudStorage = Microsoft.WindowsAzure.Storage.CloudStorageAccount.Parse(connsctionString);

            //Create Container
            var cloudBlobClient = cloudStorage.CreateCloudBlobClient();
            var cloudBlobContainer = cloudBlobClient.GetContainerReference("donmablogsample");
            var resultCreateContainer = cloudBlobContainer.CreateIfNotExistsAsync().Result;
            Console.WriteLine("donmablogsample create already.");


            //Get Dir
            Microsoft.WindowsAzure.Storage.Blob.CloudBlobDirectory cloudBlobDirectory =
                cloudBlobContainer.GetDirectoryReference("TEST2/TEST21/");

            Console.WriteLine("Get File Content : TEST2/TEST21/sampleText9.json");

            //Download Text
            var result = cloudBlobDirectory.GetBlockBlobReference("sampleText9.json").DownloadTextAsync().Result;

            Console.WriteLine("TEST2/TEST21/sampleText9.json content =>" + result);