async void Handle_SelectionChanged(object sender, Syncfusion.XForms.ComboBox.SelectionChangedEventArgs e)
{
var selectedCustomer = customers.Find(cust => cust.Value == customerComboBox.Text);
var content = await CommonFunction.CallWebService(0, null, Ultis.Settings.SessionBaseURI, ControllerUtil.getCustomerDetail(selectedCustomer.Key), this);
clsResponse response = JsonConvert.DeserializeObject <clsResponse>(content);
if (response != null)
{
pickupList.Clear();
comboBoxList = JObject.Parse(content)["Result"].ToObject <Lists>();
foreach (clsKeyValue pickUp in comboBoxList.PickupList)
{
pickupList.Add(pickUp.Value);
}
pickUpComboBox.ComboBoxSource = null;
pickUpComboBox.ComboBoxSource = pickupList;
}
}