private async void Button_Clicked_Add_Question(object sender, EventArgs e) { var take_suggested_question_id = await firebaseHelper.FindLastSuggestedQuestionsID(); int suggested_question_id = take_suggested_question_id.ID; await firebaseHelper.AddQuestion(txt_question_category.Text, txt_question.Text, txt_correct_answear.Text, txt_wrong_answear1.Text, txt_wrong_answear2.Text, txt_wrong_answear3.Text); await DisplayAlert("Added Question", "Question has been added", "ok"); await firebaseHelper.DeleteSuggestedQuestion(suggested_question_id); await Navigation.PushAsync(new VerifyQuestions()); }