WCF RIA Services
[WCF RIA Services Version 1 Service Pack 2 is compatible with either .NET framework 4 or .NET Framework 4.5, and with either Silverlight 4 or Silverlight 5.]
Provides attribute classes that are used to define metadata for entity classes.
|AuthorizationAttribute||Serves as base class for classes that are used to control authorization through custom metadata.|
|AuthorizationContext||Describes the context in which an authorization is being performed.|
|AuthorizationResult||Contains the results of an authorization request.|
|CompositionAttribute||Indicates that a member represents an association that is part of a compositional hierarchy.|
|RoundtripOriginalAttribute||When applied to a member, this attribute indicates that the original value of the member should be sent back to the server when the object is updated. When applied to a class, the attribute gets applied to each member of that class.|