public ActionResult Share(int taskId, string objectId, string displayName, string delete, string shareTasks)
        {
            // If the share button was clicked, share the task with the user or group
            if (shareTasks != null && objectId != null && objectId != string.Empty && displayName != null && displayName != string.Empty)
            {
                TasksDbHelper.AddShare(taskId, objectId, displayName);
            }

            // If a delete button was clicked, remove the share from the task
            if (delete != null && delete.Length > 0)
            {
                TasksDbHelper.DeleteShare(taskId, delete);
            }

            return(RedirectToAction("Share", new { id = taskId }));
        }