SignalR Service

var DemoApp = angular.module('DemoApp', ['dx']); DemoApp.controller('DemoController', function DemoController($scope) { var store = new DevExpress.data.CustomStore({ load: function() { return connection.invoke("getAllData"); }, key: "date" }); $scope.chartOptions = { dataSource: { store: store }, margin: { right: 30 }, loadingIndicator: { show: true }, title: "Stock Price", series: [{ argumentField: "date", type: "candlestick", aggregation: { enabled: true, method: "custom", calculate: function(e) { var prices = e.data.map(function(i) { return i.price; }); if (prices.length) { return { date: e.intervalStart, open: prices[0], high: Math.max.apply(null, prices), low: Math.min.apply(null, prices), close: prices[prices.length - 1] }; } } } }], zoomAndPan: { argumentAxis: "both" }, scrollBar: { visible: true }, legend: { visible: false }, argumentAxis: { argumentType: "datetime", valueMarginsEnabled: false, visualRangeUpdateMode: "auto", visualRange: { length: "hour" } }, valueAxis: { placeholderSize: 50 }, onZoomEnd: function(e) { if (e.range.endValue - e.range.startValue < 1000 * 60 * 10) { e.cancel = true; } } }; $scope.connectionStarted = false; var connection = new signalR.HubConnectionBuilder() .withUrl("https://js.devexpress.com/Demos/NetCore/stockTickDataHub") .configureLogging(signalR.LogLevel.Information) .build(); connection.start() .then(function () { connection.on("updateStockPrice", function (data) { store.push([{ type: "insert", key: data.date, data: data }]); }); $scope.connectionStarted = true; $scope.$apply(); }); });