void SendResultInfoAsJson(GetHostConnectionInfoResponse res)
    {
        string strJson = JsonConvert.SerializeObject(res);

        Response.ContentType = "application/json; charset=utf-8";
        Response.Write(strJson);
        Response.End();
    }
    protected void Page_Load(object sender, EventArgs e)
    {
        GetHostConnectionInfoResponse res = new GetHostConnectionInfoResponse();
        GetHostConnectionInfoRequest  req;

        res.error = "false";

        // Need passed in store id and number of requested results.
        // 1. Deserialize the incoming Json.
        try
        {
            req = GetRequestInfo();
        }
        catch (Exception ex)
        {
            res.error = ex.Message.ToString();

            // Return the results as Json.
            SendResultInfoAsJson(res);

            return;
        }

        SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);

        try
        {
            connection.Open();

            string        sql     = String.Format("select HostSDP from ConnectionInfo where VerificationCode='{0}'", req.VerificationCode);
            SqlCommand    command = new SqlCommand(sql, connection);
            SqlDataReader reader  = command.ExecuteReader();
            if (reader.Read())
            {
                res.HostSDP = Convert.ToString(reader["HostSDP"]);
            }
            reader.Close();
        }
        catch (Exception ex)
        {
            res.error = ex.Message.ToString();
        }
        finally
        {
            if (connection.State == ConnectionState.Open)
            {
                connection.Close();
            }
        }

        // Return the results as Json.
        SendResultInfoAsJson(res);
    }