public AddPatientPage(List <Models.Genders> genderses, List <Models.BloodGroups> bloodGroupsesList)
        {
            var TheViewModel = new AddPatientsViewModel();

            BindingContext = TheViewModel;


            InitializeComponent();

            PickerGender.ItemsSource = genderses.ToList();
            PickerBlood.ItemsSource  = bloodGroupsesList.ToList();
        }
        //private List<Models.Genders> _Genders;
        //private List<Models.BloodGroups> _BloodGroups;
        //private DataServices _dataServices = new DataServices();

        public AddPatientPage(List <Models.Genders> genderses, List <Models.BloodGroups> bloodGroupsesList)
        {
            //_Genders =  _dataServices.GetGenders();
            var TheViewModel = new AddPatientsViewModel();

            //var _BloodGroupss = new List<BloodGroups>();
            BindingContext = TheViewModel;

            //var monkeyList = new List<string>();
            //monkeyList.Add("Baboon");
            //monkeyList.Add("Capuchin Monkey");
            //monkeyList.Add("Blue Monkey");

            //PickerGender.ItemDisplayBinding = genderses.Select(x =>x.Name ).First();

            InitializeComponent();



            PickerGender.ItemsSource = genderses.ToList();

            PickerBlood.ItemsSource = bloodGroupsesList.ToList();
        }