private void toolStripButton2_Click(object sender, EventArgs e)
{
frmAddQuaTrinh f = new frmAddQuaTrinh(null, sinhVien.ID);
f.ShowDialog();
loadData();
}
private void toolStripButton3_Click(object sender, EventArgs e)
{
var history = bdsQuaTrinh.Current as QuaTrinh;
frmAddQuaTrinh f = new frmAddQuaTrinh(history, sinhVien.ID);
f.ShowDialog();
loadData();
}
