public override async Task OnConnectedAsync() { var httpContext = Context.GetHttpContext(); if (httpContext != null) { try { //Add Logged User int userId = int.Parse(httpContext.Request.Query["userId"].ToString()); if (userId > 0) { User user = await _userDBService.GetItemAsync(userId); if (user != null) { var connId = Context.ConnectionId.ToString(); _connections.Add(userId, connId); if (!connectedUsers.Any(x => x != null && x.Id == userId)) { connectedUsers.Add(user); } //Update Client string usersJson = JsonConvert.SerializeObject(connectedUsers, camelSettings); await Clients.All.SendAsync("UpdateUserList", usersJson); } } } catch (Exception) { } } }