Session Cookie ASP.Net

<%@ Page Language="vb" %>

   
      
         Sub Page_Load()
            Session("foo") = "Hello, "
            Session("bar") = "World!"
            Message.Text = "The Session collection contains " & _
               Session.Count & " items.
"
            Dim I as Integer
            For I = 0 To Session.Count - 1
               Message.Text &= Session(I)
            Next
         End Sub