public async void ExecuteLogOutCommand() { try { var res = await App.Current.MainPage.DisplayAlert("Confirm", "Are you sure to Logout?", "Yes", "No"); if (res) { UserAccess.DeleteUserAndIP(App.DatabaseLocation); App.Current.MainPage = (new LoginPage()); } }catch (Exception ex) { DependencyService.Get <IMessage>().ShortAlert(ex.Message); } }