I've got a weird problem. There are tables in a database with these additional columns "CreatedById", "ModifiedById". (They are nvarchar, not null) There is then an entity framework model for this (again, strings, not null). RIA services is used to share the entities with the client.
The problem is in Silverlight side. If I create a new Product class, display it in a Dataform to allow the user to edit price, etc. I can't submit product to the domain service because validation fails "CreatedById can not be null". It makes no sense to set those values on the client side as they could spoof those files. I have logic on the domain service side that looks at the current authenticated user and automatically sets those fields. But I can't submit them because validation keeps failing on those 2 fields. Is there a [NotRequired] property I could put on the domain service metadata file? -David Burela
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