metadataprovider.cs

public class MetadataProvider : DataAnnotationsModelMetadataProvider
{       
    private IConfigurationProvider _mapper;
    public MetadataProvider(IConfigurationProvider mapper)
    {         
        _mapper = mapper;
    }
    protected override System.Web.Mvc.ModelMetadata CreateMetadata(IEnumerable<Attribute> attributes, Type containerType, Func<object> modelAccessor, Type modelType, string propertyName)
    {         
        //Grab attributes from the entity columns and copy them to the view model
        var mappedAttributes = _mapper.GetMappedAttributes(containerType, propertyName, attributes);
        return base.CreateMetadata(mappedAttributes, containerType, modelAccessor, modelType, propertyName);
    }
}