private void AddNewActivity(object sender, TappedRoutedEventArgs e) { if (Validation()) { MappedActivity activity = new MappedActivity() { Name = NameTextBox.Text, WorkTime = Int32.Parse(WorkTimeTextBox.Text), RestTime = Int32.Parse(RestTimeTextBox.Text), Color = _color.Value }; _service.AddActivity(activity); _parent.RefreshActivityList(); ClosePopup(); } }