Setting and retrieving objects from the Session using State Service and a base page (C#) : Session Variables « Sessions « ASP.NET Tutorial

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Session State</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBox1" Runat="server"></asp:TextBox>
        <asp:Button ID="Button1" Runat="server" Text="Store in Session" 
         OnClick="Button1_Click" />
        <br />
        <asp:HyperLink ID="HyperLink1" Runat="server" 
         NavigateUrl="NextPage.aspx">Next Page</asp:HyperLink>
    </div>
    </form>
</body>
</html>

File: Default.aspx.cs

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;

public partial class _Default : SmartSessionPage 
{
    protected void Button1_Click(object sender, EventArgs e)
    {
        string[] names = TextBox1.Text.Split(' ');
        Person p = new Person();
        p.firstName = names[0];
        p.lastName = names[1];

        Session["myperson"] = p;
    }
}

File: NextPage.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="NextPage.aspx.cs" Inherits="Retrieve" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>

File: NextPage.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;



[Serializable]
public class Person
{
   public string firstName;
   public string lastName;

   public override string ToString()
   {
      return String.Format("Person Object: {0} {1}", firstName, lastName);
   }
}

public class SmartSessionPage : System.Web.UI.Page
{
    private const string MYPERSON = "myperson";

    public Person MyPerson
    {
        get
        {
            return (Person)Session[MYPERSON];
        }
        set
        {
            Session[MYPERSON] = value;
        }
    }
}

public partial class Retrieve : SmartSessionPage
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Person p = MyPerson;
        Response.Write(p); //ToString will be called!
    }
}

11.3.Session Variables
	11.3.1.	Using Session State
	11.3.2.	Retrieve the value of an item that you have stored in Session state.
	11.3.3.	Sorting a DataView stored in Session state.
	11.3.4.	Save value in text box to session and read it back (VB.net/C#)
	11.3.5.	Save value to session object and read them back (VB.net)
	11.3.6.	Store user defined object in Session (C#)
	11.3.7.	Setting and retrieving objects from the Session using State Service and a base page (C#)
	11.3.8.	Setting and retrieving objects from the Session using State Service and a base page (VB)
	11.3.9.	A session-aware base page
	11.3.10.	Session counter and application counter (C#)
	11.3.11.	Session counter and application counter (VB)
	11.3.12.	Look for Variables