protected void btn_POLYNone(object sender, EventArgs e)
        {
            DataTable     ViewPolySchTable = new DataTable();
            SqlConnection con = new DBManager().getConnection();
            string        sql = "SELECT school_name,zone_code, dgp_code,url_address FROM [CZ2006 - Life Planner].[dbo].[Schools] WHERE school_name LIKE '%POLYTECHNIC%';";
            SqlCommand    cmd = new SqlCommand(sql, con);

            con.Open();
            SqlDataAdapter adapter = new SqlDataAdapter(cmd);

            adapter.Fill(ViewPolySchTable);
            POLYTable.DataSource = ViewPolySchTable;
            POLYTable.DataBind();
            con.Close();
        }
        protected void btnPOLYLocation(string area)
        {
            DataTable     ViewPOLYTable = new DataTable();
            SqlConnection con           = new DBManager().getConnection();
            string        sql           = "SELECT school_name,zone_code, dgp_code,url_address FROM [CZ2006 - Life Planner].[dbo].[Schools] WHERE zone_code=@area AND school_name LIKE '%POLYTECHNIC%';";
            SqlCommand    cmd           = new SqlCommand(sql, con);

            cmd.Parameters.AddWithValue("@area", area);
            con.Open();
            SqlDataAdapter adapter = new SqlDataAdapter(cmd);

            adapter.Fill(ViewPOLYTable);
            POLYTable.DataSource = ViewPOLYTable;
            POLYTable.DataBind();
            con.Close();
        }