protected void btn_SaveAdmin_Click(object sender, EventArgs e)
    {
        int result = Convert.ToInt32(ddl_ClassAdmins.SelectedValue);

        if (result > 0)
        {
            int res = objAppAdmin.TansferResponsibilityClass(Convert.ToInt32(Request.QueryString["oldAdmin"]), result);
            Helper.ClearInputs(this.Controls);
            hdn_ClassAdminId.Value = "0";
            Response.Redirect("CityAdmin.aspx?Ref=Transfer");
        }
    }