Admin page part of client side access for SignalR example

Admin.aspx

<%@ Page  Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Admin.aspx.cs" Inherits="WebApplication2.Admin" %>

<asp:Content ID="BodyContent" ContentPlaceHolderID="MainContent" runat="server">
	<!--Reference the SignalR library. -->
<script src="Scripts/jquery.signalR-2.2.3.min.js"></script>
<!--Reference the autogenerated SignalR hub script. -->
<script src="http://localhost:8080/signalr/hubs"></script>

<script type="text/javascript">

	$(function () {
			//Set the hubs URL for the connection
			$.connection.hub.url = "http://localhost:8080/signalr";
				
			// Declare a proxy to reference the hub.
			var chat = $.connection.myHub;

			// Create a function that the hub can call to broadcast messages.
			chat.client.addMessage = function (name, message) {};

        //Start the connection
			$.connection.hub.start().done(function () {
				$('#sendmessage').click(function () {
					chat.server.send($(".allLoggedInUsers option:selected").text().split('|')[0].toString(), $('#message').val());
				});

			});
		});

</script>



	<div class="row">
    <h1>Admin Page<sup><a href="https://thoughtsonprogramming.wordpress.com/">thoughtsonprogramming.wordpress.com</a></sup></h1>
</div>
	
<div class="row">
    <div class="col-md-6">
		<select runat="server" multiple id="allLoggedInUsers" class="allLoggedInUsers" style="width:100%;max-width:100%; border: none; background-color: lightgray">
		</select>
    </div>
    <div class="col-md-6">
		<input type="text" id="message" style="width: 100%; height: 67px" />
		<input type="button" id="sendmessage" value="Send" style="width: 250px; height: 67px" />
    </div>
</div>

</asp:Content>