Create OData Producer

(1) Create a Web App and add .mdf file to App Data Folder
(2) Add EF edmx and drag drop the .mdf's table (SQL Express)
(3) Add new item Web ->WCF Data Service (Will generate Atom Data Feed Service)

(4) 
    public class WcfDataService1 : DataService<AdventureWorks_DataEntities>    
     {
        public static void InitializeService(DataServiceConfiguration config)
        {
            config.SetEntitySetAccessRule("Products", EntitySetRights.AllRead);
            config.SetEntitySetPageSize("Products", 2);
            ..        }

        [QueryInterceptor("Products")]
        public Expression<Func<Product,bool>> OnQueryCustomer()
        {
            return p => p.Name.Contains("Adjustable");
        }
(5) Test in browser http://localhost/WcfDataService1/Products?$select=Name
     ...?$top=5
     Feed Reader can be turned off Tool->Internet option->content->..

(6) Also test using Silverlight Client
...
     AdventureWorks_DataEntities _svs;
        DataServiceCollection<Product> _products;
        public MainPage()
        {
            InitializeComponent();

            _products.LoadCompleted += new EventHandler(_products_LoadCompleted);