private void txtMaMon_TextChanged(object sender, EventArgs e)
{
foreach (MonHoc mh in bulMH.layTatMonHoc())
{
if (mh.MaMon == txtMaMon.Text)
{
txtTenMon.Text = mh.TenMon;
txtSoTiet.Text = mh.SoTiet + "";
break;
}
}
}
void hienCBTenMon_PhanCong()
{
cbMonHoc.DataSource = monHocBUL.layTatMonHoc();
cbMonHoc.DisplayMember = "tenMon";
cbMonHoc.ValueMember = "maMon";
}