//update the backlog(user story) according to storyId
public Task UpdateBacklog(int storyId, UserStory product)
{
JoinGroup(product.ProjectId);
UserStory backlog = _service.Update(storyId, product);
return(Clients.Group("BacklogGroup").InvokeAsync("updateBacklog", backlog));
}
public void put(int id, [FromBody] UserStory value)
{
_service.Update(id, value);
}