public ActionResult Edit(string partitionKey, string rowKey)
 {
     var group=new GroupFeed();
     if (!string.IsNullOrEmpty(partitionKey) && !string.IsNullOrEmpty(rowKey))
     {
         group = _groupFeedRepository.GetByPartitionKeyAndRowKey(partitionKey, rowKey);
     }
     return View(group);
 }
        public ActionResult Edit(GroupFeed group)
        {
            if (string.IsNullOrEmpty(group.RowKey))
            {
                group.RowKey = Guid.NewGuid().ToString();
            }

            var groupFeed = new GroupFeed
            {
                PartitionKey = _userId,
                RowKey = group.RowKey,
                Title = group.Title,
                Description = group.Description,
                Timestamp = new DateTimeOffset(DateTime.Now)
            };

            _groupFeedRepository.InsertOrReplace(groupFeed);
            return RedirectToAction("Index");
        }