Proxy Code for CRMOnline - SharePoint Online BCS Sample

CrmData.svc.cs

public class CrmData : DataService<Xrm.XrmServiceContext>
{
    // This method is called only once to initialize service-wide policies.
    public static void InitializeService(DataServiceConfiguration config)
    {
        //config.SetEntitySetAccessRule("*", EntitySetRights.AllRead);
        config.SetEntitySetAccessRule("AccountSet", EntitySetRights.AllRead);
        config.SetEntitySetAccessRule("ContactSet", EntitySetRights.AllRead);
        config.SetServiceOperationAccessRule("*", ServiceOperationRights.All);
        config.DataServiceBehavior.MaxProtocolVersion = DataServiceProtocolVersion.V2;
    }
}