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I am trying to use signalR in an existing MVC application. I am loading the scripts in order. I can see the jQuery and hubs scripts in the browser network console. But, I am getting an error saying chatHub is undefined. Surprisingly, when I try to debug the code and put a break point on 

proxies.chatHub = this.createHubProxy('chatHub');

and after that when I go to console and type $.connectrion.chatHub I can see all the properties of the object. But, when I end the debugging, the $.connection gets undefined and then nothing works. Please help me with a solution. I have tried every link available for signalR and tried every possibility, but my problem seems to be different. I am using signalR-1.0.1.

Nithin
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Amit Mishra
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1 Answers1

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If you made your signalr host different than your project than it cannot find this properly

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

So you need to specify like

<script src="http://localhost:{Your SignalR Host Port}/signalr/hubs"></script>

Also if you want to compare there is a fully working example in here. https://github.com/DenizGokce/SignalR

EDIT:

This is how signalr framework works you need to define a structure like OnlineClient in the hub and you need to bind those different connectionIds in the server side 

public class OnlineClient{
      public Int SomeClientId; /*You Defined*/
      public List<String> ConnectionIds {get;set;}
}

public List<OnlineClient> _onlineClients = new List<OnlineClient>();

like this you need to manage your clients in the server side

Deniz Gokce
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  • Did you check the project you might find something helpful – Deniz Gokce Jul 12 '17 at 14:18
  • The problem is that I have two layouts on which I am using the signalR chatbox. One of them is a third party reporting app and on that it is causing the undefined error. The logic for chatapp is a shared resource and it works on one layout and doesn't work on the other. – Amit Mishra Jul 13 '17 at 05:31
  • each layout must connect individually if you consider each layout as webclient for signalr server than these layouts must have different clientId or connectionId could that be the problem? i dont know if you are trying to connect them from same clientId. – Deniz Gokce Jul 13 '17 at 10:14
  • how do I achieve this? – Amit Mishra Jul 13 '17 at 11:29
  • I debugged and found out that the client id and tokens being generated are different on these layouts. I don't know why as soon as I end the debugging the $.connection becomes undefined. – Amit Mishra Jul 13 '17 at 12:36
  • This is how signalr framework works you need to define a structure like OnlineClient in the hub and you need to bind those different connectionIds in the server side public class OnlineClient{ public Int SomeClientId; /*You Defined*/ public List ConnectiionIds {get;set;} } public List _onlineClients = new List(); like this you need to manage your clients in the server side – Deniz Gokce Jul 14 '17 at 07:42
  • I debugged the whole code and found that $.connection.chatHub works fine until the jquery.js loading at the end of it. – Amit Mishra Jul 14 '17 at 08:15