SignalR and database

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MVC

SignalR

Hello everyone and thanks for your help in advance. I am wokring on a SignalR application. Within the hub, I have the following code:

Private Sub dependency_OnChange(sender As Object, e As SqlNotificationEventArgs)
        Dim nHub As New NotificationHub()
        nHub.SendNotifications()
    End Sub
This works but fires multiple multiple times for any single record operation.  I then tried:

    Private Sub dependency_OnChange(sender As Object, e As SqlNotificationEventArgs)
        If e.Type = SqlNotificationType.Change Then
            Dim nHub As New NotificationHub()
            nHub.SendNotifications()
        End If
    End Sub

However, this causes no notification to be issued. Upon checking, I found the e.Type was equal to "Subscribe". I then changed the code to utilize SqlNotificationInfo:

If e.Info = SqlNotificationInfo.Insert _
Or e.Info = SqlNotificationInfo.Delete _
Or e.Info = SqlNotificationInfo.Update Then
         Dim nHub As New NotificationHub()
         nHub.SendNotifications()
End If

However, this doesn't fire either. I'm not really sure where to go next. Any help would be greatly appreciated.