private void cmdadd_Click(object sender, EventArgs e)
{
addteacher at = new addteacher();
at.ShowDialog();
teachers st = new teachers();
DataTable dt = new DataTable();
dt = st.SelectforView();
dataGridView1.DataSource = dt;
}
private void btnteacher_Click(object sender, EventArgs e)
{
int cmbPos = txtteacher.SelectedIndex;
addteacher ac = new addteacher();
ac.ShowDialog();
teachers te = new teachers();
DataTable dttename = new DataTable();
dttename = te.Search("SELECT name,stdno FROM teachers");
txtteacher.DataSource = dttename;
txtteacher.DisplayMember = "name";
txtteacher.ValueMember = "name";
txtteacher.SelectedIndex = cmbPos;
}
