EndpointAddress address = new EndpointAddress("http://127.0.0.1:52620/Service.svc");
            BasicHttpMessageInspectorBinding binding = new BasicHttpMessageInspectorBinding(new SilverlightFaultMessageInspector());
            ServiceClient proxy = new ServiceClient(binding, address);
            proxy.DoWorkCompleted += new System.EventHandler<System.ComponentModel.AsyncCompletedEventArgs>(proxy_DoWorkCompleted);
            proxy.DoWorkAsync();

        protected void Application_EndRequest(object sender, EventArgs e) {
            if (HttpContext.Current.Request.PhysicalPath.EndsWith(".svc", StringComparison.OrdinalIgnoreCase) &&
                HttpContext.Current.Response.StatusCode == 500 &&
                !HttpContext.Current.Request.Browser.Crawler &&
                HttpContext.Current.Request.Browser.EcmaScriptVersion.Major > 0) {
                // Set 200 if its a faulted service request
                HttpContext.Current.Response.StatusCode = 200;
            }
        }

public static Func<int, int> Add(int x) {
    return y => x + y;
}
public static Func<int, int> Inc = Add(1);
// and "full application" of add looks like this: Add(1)(2)

var res = new EmptyCheckEnumerable<object>(dc.Execute<object>("SELECT * FROM foo"));
if (!res.IsEmpty) {
  // allocate resources and consume the IE - will only execute the SELECT once
}

public DbDataChangeProvider(long lastVersion) {
    this.lastVersion = lastVersion;
    this.txScope = ChangeTracking.GetSnapshotScope();
    
    var validV = ChangeTracking.GetValidVersionForAll(dataContext);
    baseline = lastVersion < validV;
    currentVersion = ChangeTracking.GetCurrentVersion(dataContext);
}