private void SaveButton_Click(object sender, EventArgs e) { if (!ValidateForm()) { return; } CurrentAbsence.AbsenceType = (AbsenceTypeModel)AbsenceTypeComboBox.SelectedItem; CurrentAbsence.EffectiveFrom = EffectiveFromDateTimePicker.Value; CurrentAbsence.ExpiresOn = ExpiresOnDateTimePicker.Value; CurrentAbsence.DaysWorkedOnHolidays = int.Parse(DaysWorkedOnHolidaysTextBox.Text); AbsenceTracker.SaveAbsence(CurrentAbsence); Close(); }