protected void Application_Start()
        {
            using (var context = new SignaRTestContext())
                SqlConnectionString = context.Database.Connection.ConnectionString;

            AreaRegistration.RegisterAllAreas();
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            BundleConfig.RegisterBundles(BundleTable.Bundles);

            if (!String.IsNullOrEmpty(SqlConnectionString))
            {
                SqlDependency.Start(SqlConnectionString);
            }
        }