// GET: /Subscribe/

        public async Task<ActionResult> Index(string id, string listName)
        {
            // We get to this method when they click on the Confirm link in the
            // email that's sent to them after the subscribe service method is called.
            TableRequestOptions reqOptions = new TableRequestOptions()
            {
                MaximumExecutionTime = TimeSpan.FromSeconds(1.5),
                RetryPolicy = new LinearRetry(TimeSpan.FromSeconds(3), 3)
            };
            string filter = TableQuery.CombineFilters(
                TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, listName),
                TableOperators.And,
                TableQuery.GenerateFilterCondition("SubscriberGUID", QueryComparisons.Equal, id));
            var query = new TableQuery<Subscriber>().Where(filter);
            TableContinuationToken token = null;
            OperationContext ctx = new OperationContext() { ClientRequestID = "" };
            TableQuerySegment<Subscriber> currentSegment = null;
            currentSegment = await mailingListTable.ExecuteQuerySegmentedAsync(query, token, reqOptions, ctx);
            var subscriber = currentSegment.Results.ToList().Single();

            //subscriberTableRow.Status = "Verified";
            subscriber.Verified = true;
            var replaceOperation = TableOperation.Merge(subscriber);
            mailingListTable.Execute(replaceOperation);

            var newSubscriber = new SubscribeVM();
            newSubscriber.EmailAddress = subscriber.EmailAddress;
            var mailingList = await FindRowAsync(subscriber.ListName, "mailinglist");
            newSubscriber.ListDescription = mailingList.Description;
            return View(newSubscriber);
        }
        // GET: /Subscribe/
        public ActionResult Index(string id, string listName)
        {
            // We get to this method when they click on the Confirm link in the
            // email that's sent to them after the subscribe service method is called.
            string filter = TableQuery.CombineFilters(
                TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, listName),
                TableOperators.And,
                TableQuery.GenerateFilterCondition("SubscriberGUID", QueryComparisons.Equal, id));
            var query = new TableQuery<Subscriber>().Where(filter);
            var subscriber = mailingListTable.ExecuteQuery(query).ToList().Single();

            //subscriberTableRow.Status = "Verified";
            subscriber.Verified = true;
            var replaceOperation = TableOperation.Merge(subscriber);
            mailingListTable.Execute(replaceOperation);

            var newSubscriber = new SubscribeVM();
            newSubscriber.EmailAddress = subscriber.EmailAddress;
            newSubscriber.ListDescription = FindRow(subscriber.ListName, "mailinglist").Description;
            return View(newSubscriber);
        }