private async void OnDetailLoading(object sender, GridDetailLoadingEventArgs <object> e)
        {
            var deferal = e.GetDeferral();

            try
            {
                //Simulates doing something
                await System.Threading.Tasks.Task.Delay(2000);
            }
            finally
            {
                deferal.Complete();
            }
        }
        private async void OnDetailLoading(object sender, GridDetailLoadingEventArgs <object> e)
        {
            var deferral = e.GetDeferral();

            try
            {
                //Simulates an operation that bring the details data.
                await System.Threading.Tasks.Task.Delay(1000);
            }
            finally
            {
                deferral.Complete();
            }
        }