private void DanhSachLop_Load(object sender, EventArgs e)
{
lops = bus.GetDanhSachLop();
dataGridViewDS_Lop.DataSource = lops;
textBoxtenGVCN.Text = bus.GetTenGiaoVien(dataGridViewDS_Lop.CurrentRow.Cells[0].Value.ToString());
comboBoxKhoaHoc.DataSource = bus.GetDanhSachKhoaHoc();
}
private void FormTTL_FormClosed(object sender, FormClosedEventArgs e)
{
this.Show();
lops = bus.GetDanhSachLop();
dataGridViewDS_Lop.DataSource = null;
dataGridViewDS_Lop.DataSource = lops;
ReName();
}