Args is empty on ItemNotification.Saved

Kurt Moskjær Andersen

Posted on 01/12/2017 11:04:25

Hi,

I'm working on a notification subscriber, in order to update a certain itemfield, whenever a new page of a certain itemtype is created.

I have been using the code below, but when I try to get information about the item saved from the args, it is always empty (null)

Am I subscribing to the wrong kind of notification? I've also tried subscribing to the Dynamicweb.Notifications.Standard.Page.Saved notification, but with the same result.

Best regards
Kurt Moskjaer Andersen

[Subscribe(Dynamicweb.Notifications.ItemNotification.Saved)]
 
 public class ItemSaved : NotificationSubscriber
 {
     public override void OnNotify(string notification, NotificationArgs args)
     {
         if (args == null)
             return;
          var pna = (Dynamicweb.Notifications.ItemNotification.ItemArgs)args;
}
}

Replies

Nicolai Pedersen

Posted on 01/12/2017 12:58:15

Hi Kurt

This one should do the trick for item based pages: https://doc.dynamicweb.com/api/html/01031cef-7c8e-8209-6ead-2fa57d3bb6a1.htm

In the example above you should be able to get hold of the item:

pna.Target.Item

And if you use the OnBeforeSave instead - you should be able to just change the value of the item attached to the page object, and DW wills ave your updated value for you.

BR Nicolai

Kurt Moskjær Andersen

Posted on 01/12/2017 15:01:26

Hi Nicolai,

Even though I'm using the exact same code as you and output the value of pna.Target.ID or pna.Target.Item, it still reports the pna as null.

Best regards
Kurt

Nicolai Pedersen

Posted on 01/12/2017 16:19:54

Hi Kurt

Sounds very strange. When you say "It reports" as null. What is "it"?

And can I see you full code?

BR Nicolai

Kurt Moskjær Andersen

Posted on 03/12/2017 11:01:34

Hi Nicolai,

Well, I've run a debug on my local maschine, by adding a breakpoint on the variable pna and outputs the value to the console.

The value of the pna.Target.ID or pna.Target.Item is always either null or throws an exception, whenever I create a new page in Dynamicweb.

My code is listed below:

namespace VM.Subscribers
{
    [Subscribe(Dynamicweb.Notifications.Standard.Page.Saved)]
    public class PageSavedObserver : NotificationSubscriber
    {
        public override void OnNotify(string notification, NotificationArgs args)
        {
            if (args == null)
                return;
 
            var pna = (Dynamicweb.Notifications.Standard.Page.PageNotificationArgs)args;
            //Pass page Id to the notification e-mail
            var emailBody = string.Format("The page (ID:{0}) has been saved.", pna.Target.Item);
        }
    }
}

Kurt Moskjær Andersen

Posted on 04/12/2017 13:18:58

As a comment, I'm running on DW 9.2.15

Nicolai Pedersen

Posted on 04/12/2017 14:35:53

This post has been marked as an answer

Hi Kurt

Please upgrade to 9.3 then. All of this has changed quite substantial since 9.2 - so please check if the issues is still there on 9.3. If it is a bug, it will be fixed in 9.3+ branch only.

BR Nicolai

Votes for this answer: 1

Kurt Moskjær Andersen

Posted on 19/01/2018 14:46:35

Hi Nicolai,

I closed this thread a little to early, as the error also occours in the latest DW version 9.3.11.

I'm using the code example at https://doc.dynamicweb.com/api/html/01031cef-7c8e-8209-6ead-2fa57d3bb6a1.htm as inspiration.

Best regards
Kurt

You must be logged in to post in the forum

Developer forum

Args is empty on ItemNotification.Saved

Replies