Problem with SignalR Progress Bar

Hi all

I have problem with signalr progressbar, update progress bar with id connection, but all progress bar updateted

Pls help me fixer problem, thanks all!

HUB

public class ChartHubs : Hub
    {
        public static string ConnectionId { get; set; }
        public override Task OnConnected()
        {
            ConnectionId = Context.ConnectionId;
            return base.OnConnected();
        }
    }

Function update progress bar

public static void SendProgress(string progressMessage, int progressCount, int totalItems)
        {
            IHubContext progressbar = Startup.ConnectionManager.GetHubContext<ChartHubs>();
            var percentage = (progressCount * 100) / totalItems;
            progressbar.Clients.Client(ChartHubs.ConnectionId).AddProgress(progressMessage, percentage);
        }

js update progress bar

$(function () {
                var progressbar = $.connection.chartHubs;
                progressbar.client.addProgress = function (mgs, percent) {$('.progress-bar').attr('aria-valuetransitiongoal', percent).progressbar({ display_text: 'fill' });
                };$.connection.hub.start().done(function () {
                    var connectionId = $.connection.hub.id;
                });
            });

Controller update progress bar

Functions.SendProgress("processing", i + 1, listRid.Count);

Brgs!