private void txtMaLop_TextChanged(object sender, EventArgs e)
{
foreach (Lop l in bulLop.layTatLop())
{
if (l.MaLop == txtMaLop.Text)
{
txtTenLop.Text = l.TenLop;
txtNienKhoa.Text = l.NienKhoa;
txtSiSo.Text = l.SiSo + "";
cbGiaoVien.SelectedValue = l.MaCBGV;
break;
}
else
{
txtTenLop.Text = "";
txtNienKhoa.Text = "";
txtSiSo.Text = "";
}
}
}
void hienCBLop()
{
cbLop.DataSource = lopBUL.layTatLop();
cbLop.DisplayMember = "tenLop";
cbLop.ValueMember = "maLop";
}
void loadCBLop()
{
cbLop.DataSource = bulLop.layTatLop();
cbLop.DisplayMember = "tenLop";
cbLop.ValueMember = "maLop";
}