protected void changeIndex(object sender, EventArgs e)
        {
            DBtools d = new DBtools();

            if (lstTabelle.SelectedValue == "country")
            {
                dg.DataSource = d.getCountries();
            }
            else if (lstTabelle.SelectedValue == "Teams")
            {
                dg.DataSource = d.getTeams();
            }
            else
            {
                dg.DataSource = d.getPilot();
            }
            dg.DataBind();
        }