Mega Code Archive
Setting and retrieving objects from the Session using State Service and a base page (VB)
<![CDATA[
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" 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.vb
Partial Class _Default
Inherits SmartSessionPage
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim names As String()
names = TextBox1.Text.Split(" "c) ' " "c creates a char
Dim p As New Person()
p.firstName = names(0)
p.lastName = names(1)
Session("myperson") = p
End Sub
End Class
File: NextPage.aspx
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="NextPage.aspx.vb" 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.vb
Imports Microsoft.VisualBasic
Imports System
Imports System.Web
Partial Class Retrieve
Inherits SmartSessionPage
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim p As Person = MyPerson
Response.Write(p) ' ToString will be called!
End Sub
End Class
<Serializable()> _
Public Class Person
Public firstName As String
Public lastName As String
Public Overrides Function ToString() As String
Return String.Format("Person Object: {0} {1}", firstName, lastName)
End Function
End Class
Public Class SmartSessionPage
Inherits System.Web.UI.Page
Private Const MYSESSIONPERSONKEY As String = "myperson"
Public Property MyPerson() As Person
Get
Return CType(Session(MYSESSIONPERSONKEY), Person)
End Get
Set(ByVal value As Person)
Session(MYSESSIONPERSONKEY) = value
End Set
End Property
End Class
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