Post Serialized Objects (Data) in ASP.NET

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using WebUtilities;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {        
        PostDataHelper helper = new PostDataHelper(Request, Response);
        //Set Form Name, by which receiving page may identify posting page
        helper.FormName = "Person Form";
        //Add objects with unique keys
        helper.Data.Add("Person1", new Person("ABC", "XYZ"));
        helper.Data.Add("Person2", new Person("123", "456"));
        //Call method to post data
        helper.RedirectWithData("Default2.aspx");
    }
}