Question(http://stackoverflow.com/questions/19924678/signalr-in-a-website-project)

 I have a test web application using SignalR that works great.I need to use SignalR in a Website project-It cannot be converted to a web application. I copied my test code into a test wetsite project and I cannot get it to work! I get the "Cannot read property 'client' of undefined" error. Is there anyting that i need to do to get it working in a Websit Project?

Answer:

Put  the Hub Class codefile in App_Code folder

Demo:

First: Map the SignalR 

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Routing;

using Microsoft.AspNet.SignalR;

/// <summary>

/// Global 的摘要说明

/// </summary>

namespace ApplicationName

{

    public partial class MyApplication : System.Web.HttpApplication

    {

        protected void Application_Start(object sender, EventArgs e)

        {

            RouteTable.Routes.MapHubs(new HubConfiguration { EnableCrossDomain = true });

        }

    }

}

Second: Create SignalR Hub class in App_Code folder

using System;

using System.Collections.Concurrent;

using System.Linq;

using System.Threading;

using System.Threading.Tasks;

using Microsoft.AspNet.SignalR;

using Microsoft.Owin;

public class MyChat : Hub

{

    /// <summary>

    /// Sends the specified message.

    /// </summary>

    /// <param name="message">The message.</param>

    public void Send(string message)

    {

        // Call the addMessage method on all clients

        Clients.All.addMessage(message);

    }

}

Third: In Client Code,you define methods that can be called from the server,and you call methods that run on the server

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

    <script src="/Scripts/jquery-1.6.4.js"></script>

    <script src="/Scripts/jquery.signalR-1.2.2.js"></script>

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

    <title>SignalR Demo</title>

</head>

<body>

    <script>

        var chat;

        $(function () {

            // Created proxy,此处要特别注意，Hub类的首字母是大写MyChat，但前端使用时，首字母要小写

            chat = $.connection.myChat;

            // Assign a function to be called by the server

            chat.client.addMessage = onAddMessage;

            // Register a function with the button click

            $("#broadcast").click(onBroadcast);

            // Start the connection

            $.connection.hub.start().done(function (a) {

                console.log("成功");

                console.log(a);

            });

        });

        function onAddMessage(message) {

            // Add the message to the list

            $('#messages').append('<li>' + message + '</li>');

        };

        function onBroadcast() {

            chat.server.send($('#message').val());

        }

    </script>

    <form id="form1" runat="server">

    <div>

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

        <input type="button" id="broadcast" value="broadcast" />

        <ul id="messages"></ul>

    </div>

    </form>

</body>

</html>

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