public frm_Lop()
{
InitializeComponent();
conn = new TV_kncsdl();
if (conn.Moketnoi())
{
reloadDGV();
}
refresh();
button(true, false, false, false, false, false, false);
}
public frm_SinhVien()
{
InitializeComponent();
conn = new TV_kncsdl();
if (conn.Moketnoi())
{
string sql = "select * from Lop";
cbb_tenLop.DataSource = conn.LayBang(sql);
cbb_tenLop.DisplayMember = "ten_lop";
cbb_tenLop.ValueMember = "ma_lop";
reloadDGV();
}
refresh();
button(true, false, false, false, false, false, false, false);
}