Problem ImportWebPart within GetInitialWebParts for Anonymous Users

转载自： http://forums.asp.net/thread/1067948.aspx

Is there a way to import  webparts using WebPartManager.ImportWebPart while not logged in, so I can populate WebPartZones by overriding WebPartZoneBase.GetInitialWebParts with webparts that have been personalized and previously exported with WebPartManager.ExportWebPart

 

 

At the moment I’m getting the following error

 

"Personalization is not enabled and/or modifiable. The Enabled property must be set to true, and a registered personalization provider must be selected. The current user must be granted the right to modify personalization state."

Is there a way to overcome this. Any help would be greatly appreciated.

Thanks

 

 

WebPartManager.ImportWebPart() requires personalization to be modifiable, since we assume that ImportWebPart() is only called when a user is adding a dynamic WebPart to the page.

However, you can work around this by writing a custom WebPartManager and WebPartPersonalization to fake it:

public class MyWebPartManager : WebPartManager {
    protected override WebPartPersonalization CreatePersonalization() {
        return new MyWebPartPersonalization(this);
    }

    public override WebPart ImportWebPart(System.Xml.XmlReader reader, out string errorMessage) {
        ((MyWebPartPersonalization)Personalization).Importing = true;
        WebPart webPart = base.ImportWebPart(reader, out errorMessage);
        ((MyWebPartPersonalization)Personalization).Importing = false;
        return webPart;
    }
}

public class MyWebPartPersonalization : WebPartPersonalization {
    public MyWebPartPersonalization(WebPartManager owner)
        : base(owner) {
    }

    internal bool Importing;

    protected override IDictionary UserCapabilities {
        get {
            IDictionary userCapabilities = base.UserCapabilities;
            if (Importing) {
                userCapabilities[WebPartPersonalization.ModifyStateUserCapability] =
                    WebPartPersonalization.ModifyStateUserCapability;
            }
            return userCapabilities;
        }
    }
}