private void btn_add_Click(object sender, EventArgs e) { if (cb_day.Text == String.Empty || cb_pairNum.Text == String.Empty || cb_weekType.Text == String.Empty || cb_subject.Text == String.Empty || cb_group.Text == String.Empty || tb_room.Text == String.Empty) { MessageBox.Show("Заповніть всі поля атрибутів пари!", "Повідомлення", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } DayOfWeek day = ParseDayOfWeek(cb_day.Text); TypeOfPair pairType = ParsePairType(cb_pairNum.Text); TypeOfWeek weekType = ParseWeekType(cb_weekType.Text); Group gr = _groups[cb_group.SelectedIndex]; Subject subj = _subjects[cb_subject.SelectedIndex]; int room = Int32.Parse(tb_room.Text); StudingTheSubject sts = new StudingTheSubject(subj.Id, gr.Id, _teacher.Id, day, weekType, pairType, room); try { _proxy.AddPair(sts); ClearPairDetails(); LoadPairs(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }