public async Task SearchVets() { string date = SelectedDate.Substring(0, 10); string day = date[0].ToString() + date[1]; string dateUrlParse = date[0].ToString() + date[1].ToString() + "-" + date[3].ToString() + date[4].ToString() + "-" + date[8].ToString() + date[9].ToString(); string urlGetAvailableVets = EndPoints.SERVER_URL + EndPoints.GET_AVAILABLE_VETS + dateUrlParse + "&" + selectedHour; Getvets = new RequestPicker <BaseModel>(); Getvets.StrategyPicker("GET", urlGetAvailableVets); APIResponse response = await Getvets.ExecuteStrategy(null); if (response.IsSuccess) { var jsonSerializerSettings = new JsonSerializerSettings(); jsonSerializerSettings.MissingMemberHandling = MissingMemberHandling.Ignore; Veterinarians = JsonConvert.DeserializeObject <List <UserVetToShowModel> >(response.Response, jsonSerializerSettings); foreach (var v in Veterinarians) { VetsList.Add(v); } } else { Exception e; } }