private void buttonLoc_Click(object sender, EventArgs e)
{
Trace.WriteLine(comboBoxGiaoVien.Text);
Trace.WriteLine(comboBoxBuoi.Text);
Trace.WriteLine(comboBoxLop.Text);
Trace.WriteLine(comboBoxThu.Text);
Trace.WriteLine("----------------------");
dataGridViewDS_HS.DataSource = GiangDayBUS.Filter(comboBoxGiaoVien.Text, comboBoxLop.Text, comboBoxThu.Text, comboBoxBuoi.Text);
}
private void buttonLoc_Click(object sender, EventArgs e)
{
dataGridViewDS_HS.DataSource = GiangDayBUS.Filter(comboBoxGiaoVien.Text, comboBoxLop.Text, comboBoxThu.Text, comboBoxBuoi.Text);
textBoxTongSo.Text = (dataGridViewDS_HS.Rows.Count - 1).ToString();
}