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  • Peter Gabriel 2 posts 22 karma points
    Jan 25, 2011 @ 09:24
    Peter Gabriel
    0

    Publish at before publish event causes Object reference not set to instance ...

    public class AppBase : umbraco.BusinessLogic.ApplicationBase {

            public AppBase() {
                Document.BeforePublish += new Document.PublishEventHandler(Document_BeforePublish);
            }

            void Document_BeforePublish(Document sender, PublishEventArgs e) {
        
           // This line causes the error on publish at
           Node myParent= new Node(sender.Parent.Id);
            }
    }
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  • Jan Skovgaard 11280 posts 23678 karma points MVP 11x admin c-trib
    Jan 25, 2011 @ 09:40
    Jan Skovgaard
    0

    Hi Peter

    What is it that you're exactly trying to achieve when the event occurs?

    I guess you're probably missing a check or something. But if you could please ellaborate a bit more it would be easier to help you out.

    /Jan

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  • Peter Gabriel 2 posts 22 karma points
    Jan 25, 2011 @ 09:50
    Peter Gabriel
    0

    Hey,

    I'm working on code from the Blog4Umbraco project, this specific code creates a year/month/day folder on the beforePublish event. This works perfectly on a normal publish, but gives an "object reference ..." error on a publish at.

    The value of sender.Parent.Id is correct, so you would think retreiving the node would not be a problem.

    Here you can find the code:

    http://blog4umbraco.codeplex.com/SourceControl/changeset/view/61225#983069

    This line causes the error:

    Node topBlogLevel = new Node(sender.Parent.Id);

    Grtz,

    Peter

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  • Ben Tice 31 posts 131 karma points
    Jun 06, 2011 @ 17:14
    Ben Tice
    0

    Hi Peter,

    I've had the same issue. I've gotten around it by doing the date folder stuff AfterSave rather than BeforePublish (BlogDateFolder.cs).

    So:

    Document.BeforePublish += new Document.PublishEventHandler(Document_BeforePublish);

    becomes:

    Document.AfterSave += new Document.SaveEventHandler(Document_AfterSave)

    and for the method:

    void Document_AfterSave(Document sender, umbraco.cms.businesslogic.SaveEventArgs e)

    Basically, the datefolders are then created when the document is initially saved. Then, the Publish At functionality works properly. Please note that the changeset I used was from Blog4Umbraco 2.0.26 with the datefolder patch (42029).

    Ben

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