1 namespace System.Web.ModelBinding {
2     public static class ModelMetadataProviders {
3         private static ModelMetadataProvider _current = new DataAnnotationsModelMetadataProvider();
4 
5         public static ModelMetadataProvider Current {
6             get {
7                 return _current;
8             }
9             set {
10                 _current = value ?? new EmptyModelMetadataProvider();
11             }
12         }
13     }
14 }
15