1:  protected void cboCountry_SelectedIndexChanged(object sender, EventArgs e)

   2:  {        

   3:      cboState.DataBind();

   4:      if (cboState.Items.Count != 0)

   5:      {

   6:          cboState.Visible = true;

   7:          ListItem li = new ListItem("No State", "0");

   8:          cboState.Items.Add(li);

   9:          cboState.SelectedIndex = cboState.Items.IndexOf(cboState.Items.FindByValue("0"));

  10:      }

  11:      else

  12:      {

  13:          cboState.Visible = false;

  14:      }

  15:  }