partial void AddButtonLease_TouchUpInside(UIButton sender)
 {
     if (val.IsPresent(AddLeaseTextField))
     {
         var alert = UIAlertController.Create("Alert!", "Do you want to add: " +
                                              AddLeaseTextField.Text + " to leases?", UIAlertControllerStyle.Alert);
         alert.AddAction(UIAlertAction.Create("YES", UIAlertActionStyle.Default, (obj) =>
         {
             string lease = AddLeaseTextField.Text.Replace(',', '.');
             dm.AddLease(lease);
             ToastIOS.Toast.MakeText("Lease Added!").Show();
             AddLeaseTextField.Text = "";
             stringList             = dm.FillLeasePicker();
             pickerMaker(stringList, DeleteLeaseTextField);
         }));
         alert.AddAction(UIAlertAction.Create("NO", UIAlertActionStyle.Default, (obj) =>
         {
             AddLeaseTextField.Text = "";
         }));
         vc.PresentViewController(alert, true, null);
     }
 }