Could not load type 'System.ComponentModel.DataAnnotations.DatabaseGeneratedAttribute'

See more:

C#

MVVM

MVC3

EF5.0

Does anyone have a solution for this?
Could not load type 'System.ComponentModel.DataAnnotations.DatabaseGeneratedAttribute'
Could not load type 'System.ComponentModel.DataAnnotations.DatabaseGeneratedAttribute' from assembly 'EntityFramework, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

<script type="text/javascript">
    $(function () {
        upshot.metadata(@(Html.Metadata<namespace.Controllers.DataServiceController>()));
        ko.applyBindings( new FooBarViewModel( ));
    });
</script>

Paige Mninawa