private void BtnAddTeacher_Click(object sender, EventArgs e) { TeacherAddUpdate form = new TeacherAddUpdate(null); form.UpdateOrAdd("Add"); form.ShowDialog(); dtgvTeacher.DataSource = teacherList; LoadTeachers(); }
private void BtnUpdateTeacher_Click(object sender, EventArgs e) { error.Clear(); if (dtgvTeacher.SelectedRows.Count == 0) { error.SetError(btnUpdateTeacher, "Vui lòng chọn giáo viên"); return; } TeacherAddUpdate form = new TeacherAddUpdate(checkMGV); form.UpdateOrAdd("Update"); form.ShowDialog(); }