private async void Button_Clicked(object sender, EventArgs e) { if (CrossConnectivity.Current.IsConnected) { CyberReview review = new CyberReview { title = EntryTitle.Text, desc = EntryDesc.Text, user_id = AppSettings.LastUsedID, post_id = ID }; TubeServices ser = new TubeServices(); var response = await ser.PostReview(review); await Navigation.PopAsync(); } else { await DisplayAlert("Error", Resource.ErrorMessage, "ok"); } }