public void SetRowData()
        {
            try
            {
                toemmeListe = new ObservableCollection <ToemningData>();
            }
            catch (Exception ex)
            {
                throw;
            }

            ToemningData _ToemningData = new ToemningData();

            _ToemningData.Fraktion = "Igen Data";
            _ToemningData.ToemmeID = -1;
            _ToemningData.Type     = "Igen Data";
            _ToemningData.Vaegt    = "Igen Data";
            ToemmeListe.Add(_ToemningData);
        }
 public async void OnNavigatedTo(NavigationParameters parameters)
 {
     Xamarin.Forms.Device.BeginInvokeOnMainThread(async() =>
     {
         latitude  = parameters["lat"].ToString(); // if the phone inst near latitude "55,7070631" and longitude "12,4235393" then remove the part where it gets data from parameters
         longitude = parameters["lon"].ToString(); // and use the two lines under this
                                                   //latitude = "55,7070631";
                                                   //longitude = "12,4235393";
         var ggg = await CallService(new MobileService.Toemning {
             Latitude = latitude, Longitude = longitude, date = new DateTime(2016, 11, 1)
         });                                                                                                                                        // the date is set to a day where there is data
         //var justatest = 0;
         ToemmeListe.Clear();
         foreach (var toemming in ggg)
         {
             ToemningData _ToemningData = new ToemningData();
             _ToemningData.Fraktion     = toemming.Fraktion;
             _ToemningData.ToemmeID     = toemming.ToemmeId;
             _ToemningData.Type         = toemming.Type;
             _ToemningData.Vaegt        = toemming.Weight;
             ToemmeListe.Add(_ToemningData);
         }
     });
 }