private async Task ExecuteOnChangePassword()
        {
            IsBusy = true;
            if (!string.IsNullOrEmpty(PassWord) && PassWord == Confirm_PassWord)
            {
                if (await DependencyService.Get <IDialog>().AlertAsync("", "Voulez Vous Changer le Mot de Passe ?", "Oui", "Non"))
                {
                    var _restService = new RESTService();
                    var Result       = await _restService.Change_password_async(PassWord);

                    if (Result.Item1)
                    {
                        PassWord         = string.Empty;
                        Confirm_PassWord = string.Empty;
                        OnPropertyChanged("PassWord");
                        OnPropertyChanged("Confirm_PassWord");
                        IsVisible = false;
                        DependencyService.Get <IMessage>().ShortAlert("Mot de Passe Chnger avec Succes");
                    }
                    else
                    {
                        DependencyService.Get <IMessage>().ShortAlert(Result.Item2);
                    }
                }
            }
            else
            {
                DependencyService.Get <IMessage>().ShortAlert("Veuillez Confirmer le Mot de Pass !");
            }
            IsBusy = false;
        }