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Asked: 2026-06-17T23:51:18+00:00

I’ve been looking into using SignalR for a while now, and I think I

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I’ve been looking into using SignalR for a while now, and I think I have a good candidate for it.

I have a page which allows users of the system to leave Comments, and at the moment it uses JQuery to periodically refresh the list of comments. I think SignalR would replace this nicely, i.e. if there were two users looking at the list and one wrote a comment, I would like it to appear instantly in the second.

All well and good, I have a sort of template where this works.

However

My system itself can sometimes add automatic notifications to the list – These are put into the database directly by a non-web based application.

How can I get SignalR to see the new information from the database and send it to the users?

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  1. Editorial Team

    In SignalR the hub is a static part in your application. You can spin up a System.Threading.Timer in your webapplication to periodically check your database for new notifications and add those to the data used by the hub.

    This can even be improved by using a SqlCacheDependency.

    A subjective side note: I do agree this type of functionality is a very good candidate for SignalR.

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