public void Like(int idPost) { PostsController post = new PostsController(); Notification notif = new Notification(); notif.idPost = idPost; notif.userName = Context.User.Identity.GetUserName(); var currentUserId = Context.User.Identity.GetUserId(); post.CreateLike(idPost, currentUserId); Clients.Client(Context.ConnectionId).isLike(idPost); Clients.Group("online").Like(idPost); Clients.Group("online", Context.ConnectionId).updateNotification(notif); //Clients.All.Like(idPost); }