Convert Dynamic Entity to Entity (kbarticle)

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Posted on by Russell Bahr

615

Hi All,

I have a plugin that is set up on the kbarticle entity and is triggered by the update event. I am able to get the Dynamic Entity from the context using the following

Dim de As DynamicEntity = CType(context.InputParameters.Properties("Target"), DynamicEntity)

Now what I need to do is convert or cast this Dynamic Entity to the business entity type kbarticle. Can I do something to convert it or do I have to use the guid and then use retreive via the crmservice?

Thanks,

Russ

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Rhett Clinton Moderator on at

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Hi Russ, you can do it this way http://msdn.microsoft.com/en-us/library/cc151177.aspx

I think the general concept is to deal with dynamic entity when using the dll's as opposed to the web service and as the plugins utilise the sdk dll's I would recommend staying with dynamic entity if you can. Is there a specific reason beside having a nicely typed class that you are trying to convert to a core entity? I also think the sdk dll crm core types are depreciated in CRM 4 but I'd have to double check that.

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Russell Bahr 615 on at

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Hi Rhett,
For some reason when I tried to get the properties of the dynamic entity there were only 2 of the many that the entity has. I was bale to get the GUID and then use the code below to retrieve the kbarticle and get the rest. Thanks for the help.

Dim de As DynamicEntity = CType(context.InputParameters.Properties("Target"), DynamicEntity)

                'get the kbarticles guid from the property bag
                Dim kbGuid As Guid = Nothing
                For Each p As KeyProperty In de.Properties
                    kbGuid = p.Value.Value
                    Exit For
                Next

                'lookup the article using the service and the kbarticles guid
                Dim service As ICrmService = CType(context.CreateCrmService(False), ICrmService)
                Dim kba As kbarticle = CType(service.Retrieve(EntityName.kbarticle.ToString(), kbGuid, New AllColumns()), kbarticle)

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Rhett Clinton Moderator on at

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The input parameters will only pass through the values that changed on the form. You can register a Post Image for the plugin step and select the attributes you want from there.

Instead of using context.InputParameters.Properties("Target"), you will use context.PostEntityImages.Properties("PostImage") when you register a post image against the plugin step. You can call the post plugin step what ever you want but I have named it PostImage here,

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Russell Bahr 615 on at

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I will give this a shot and let you know how it goes. Thanks Rhett!

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