SignalR Examples

ChatHUBS.cs

Code

public void Send(string name, string message) {
    // Call the broadcastMessage method to update clients.
    Clients.All.broadcastMessage(name, message);
}

Startup.cs

public void Configuration(IAppBuilder app)
{
    // For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=316888
    app.MapSignalR();
}

Htmlpage

<!DOCTYPE html>
<html>

<head>
    <title></title>
    <style type="text/css">
        .container {
            background-color: #99CCFF;
            border: thick solid #808080;
            padding: 20px;
            margin: 20px;
        }
    </style>
    <meta charset="utf-8" /> </head>

<body>
    <div class="container"> <input type="text" id="message" /> <input type="button" id="sendmessage" value="Send" /> <input type="hidden" id="displayname" />
        <ul id="discussion"></ul>
    </div>
    <!--Script references. -->
    <!--Reference the jQuery library. -->
    <script src="Scripts/jquery-1.6.4.min.js"></script>
    <!--Reference the SignalR library. -->
    <script src="Scripts/jquery.signalR-2.2.1.min.js"></script>
    <!--Reference the autogenerated SignalR hub script. -->
    <script src="signalr/hubs"></script>
    <!--Add script to update the page and send messages.-->
    <script type="text/javascript">
        $(function() {
            // Declare a proxy to reference the hub.
            var chat = $.connection.chatHub;
            // Create a function that the hub can call to broadcast messages.
            chat.client.broadcastMessage = function(name, message) {
                // Html encode display name and message.
                var encodedName = $('<div />').text(name).html();
                var encodedMsg = $('<div />').text(message).html();
                // Add the message to the page.
                $('#discussion').append('<li><strong>' + encodedName + '</strong>:  ' + encodedMsg + '</li>');
            };
            // Get the user name and store it to prepend to messages.
            $('#displayname').val(prompt('Enter your name:', ''));
            // Set initial focus to message input box.
            $('#message').focus();
            // Start the connection.
            $.connection.hub.start().done(function() {
                $('#sendmessage').click(function() {
                    // Call the Send method on the hub.
                    chat.server.send($('#displayname').val(), $('#message').val());
                    // Clear text box and reset focus for next comment.
                    $('#message').val('').focus();
                });
            });
        });
    </script>
</body>

</html>

Hub connect check

<script>
    $.connection.hub.start().done(function() {
        alert("Hub Connected");
    }).fail(function() {
        alert("Hub error");
    });
</script>