private void Save_Click(object sender, EventArgs e)
{
1.  if (newMode == true)
    {
2.      newRow["stNo"] = Convert.ToInt16(textBox2.Text);
3.      newRow["Name"] = textBox3.Text;
4.      newRow["Sex"] = checkBox1.Checked;
5.      newRow["Ave"] = Convert.ToInt16(textBox4.Text);
6.      newRow["numUnit"] = Convert.ToInt16(textBox5.Text);
7.      ds.Tables["stTable"].Rows.Add(newRow);
8.      cb = new SqlCommandBuilder(da);
9.      da = cb.DataAdapter;
10.     da.Update(ds, "stTable");
11.     con.Close();
    }
12. else
    {
13.    cb = new SqlCommandBuilder(da);
14.    da.Update(ds, "stTable");
    }
}
