private void UpdateBtn_Click(object sender, EventArgs e)
{
this.Hide();
UpdateTeacher UT = new UpdateTeacher(uid);
UT.Show();
}
private void buttonUpdate_Click(object sender, EventArgs e)
{
con.Open();
SqlCommand cmd = con.CreateCommand();
cmd = new SqlCommand("Update teacher set address= (@add),tname =(@name) where tid = (@data)", con);
cmd.Parameters.AddWithValue("@data", i);
cmd.Parameters.AddWithValue("@add", textAddress.Text.ToString());
cmd.Parameters.AddWithValue("@name", textName.Text.ToString());
cmd.ExecuteNonQuery();
MessageBox.Show("Updated!");
this.Hide();
UpdateTeacher asa = new UpdateTeacher(a);
asa.Show();
}
