[HubName("demo")]

    public class ChatHub:Hub

    {

        public void Send(string name, string message)

        {

            // Call the addNewMessageToPage method to update clients.

            Clients.All.addNewMessageToPage(name, message);

        }

    }

public void Configuration(IAppBuilder app)

        {

            //ConfigureAuth(app);

            app.MapSignalR();

        }

<div class="container">

    <input type="text" id="message" />

    <input type="button" tabindex="1" id="sendmessage" value="Send" />

    <input type="hidden" id="displayname" />

    <ul id="discussion"></ul>

</div>

@section scripts {

    <!--Script references. -->

    <!--The jQuery library is required and is referenced by default in _Layout.cshtml. -->

    <!--Reference the SignalR library. -->

    @*<script src="~/Scripts/jquery.signalR-1.0.1.js"></script>*@

    <script src="~/Scripts/jquery-1.10.2.js"></script>

    <script src="~/Scripts/jquery.signalR-2.2.0.js"></script>

    <script src="~/signalr/hubs"></script>

    <!--Reference the autogenerated SignalR hub script. -->

    <!--SignalR script to update the chat page and send messages.-->

    <script>

        $(function () {

            // Reference the auto-generated proxy for the hub.

            var chat = $.connection.demo;

            // Create a function that the hub can call back to display messages.

            chat.client.addNewMessageToPage = function (name, message) {

                // Add the message to the page.

                $('#discussion').append('<li><strong>' + htmlEncode(name)

                    + '</strong>: ' + htmlEncode(message) + '</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();

                });

            });

        });

        // This optional function html-encodes messages for display in the page.

        function htmlEncode(value) {

            var encodedValue = $('<div />').text(value).html();

            return encodedValue;

        }

    </script>

}