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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