private async void OnAboutUS(object sender, EventArgs e) { dsLogin = new F4HApp.dataservice.DSLogin(); string result = await dsLogin.GetAboutUS(""); string AboutUsMessage = ""; try { AboutUsResponceObject m = JsonConvert.DeserializeObject <AboutUsResponceObject>(result.Replace("[", "").Replace("]", "")); AboutUsMessage = m.AboutUsMessage.ToString(); await DisplayAlert("About Food4Helath", AboutUsMessage, "OK"); } catch (Exception ex) { await DisplayAlert("Conection Error", ex.ToString(), "Error"); } }