Mega Code Archive
Store your Object in Session (C#)
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<%@ Page language="c#" src="SessionStateExample.aspx.cs" AutoEventWireup="false" Inherits="SessionStateExample" %>
<HTML>
<body>
<form id="Form1" method="post" runat="server">
<asp:Label id="lblSession" style="Z-INDEX: 101; LEFT: 24px; POSITION: absolute; TOP: 32px" runat="server" Width="232px" Height="61px" Font-Size="Medium" Font-Names="Verdana" Font-Bold="True"></asp:Label>
<DIV style="BORDER-RIGHT: 2px groove; BORDER-TOP: 2px groove; Z-INDEX: 105; LEFT: 16px; BORDER-LEFT: 2px groove; WIDTH: 576px; BORDER-BOTTOM: 2px groove; POSITION: absolute; TOP: 248px; HEIGHT: 160px; BACKGROUND-COLOR: lightyellow" ms_positioning="GridLayout">
<asp:ListBox id="lstItems" style="Z-INDEX: 106; LEFT: 16px; POSITION: absolute; TOP: 16px" runat="server" Width="208px" Height="128px"></asp:ListBox>
<asp:Button id="cmdMoreInfo" style="Z-INDEX: 106; LEFT: 248px; POSITION: absolute; TOP: 24px" runat="server" Width="120px" Height="24px" Text="More Information"></asp:Button>
<asp:Label id="lblRecord" style="Z-INDEX: 106; LEFT: 248px; POSITION: absolute; TOP: 64px" runat="server" Width="272px" Height="61px" Font-Size="X-Small" Font-Names="Verdana" Font-Bold="True"></asp:Label></DIV>
</form>
</body>
</HTML>
<%--
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
public class SessionStateExample : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label lblSession;
protected System.Web.UI.WebControls.ListBox lstItems;
protected System.Web.UI.WebControls.Button cmdMoreInfo;
protected System.Web.UI.WebControls.Label lblRecord;
private void Page_Load(object sender, System.EventArgs e)
{
if (!this.IsPostBack)
{
// Create Product objects.
Product piece1 = new Product("Econo Sofa",
"Acme Inc.", 7.9M);
Product piece2 = new Product("Pioneer Table",
"Heritage Unit", 8.7M);
Product piece3 = new Product("Retro Cabinet",
"Sixties Ltd.", 3.1M);
// Add objects to session state.
Session["Product1"] = piece1;
Session["Product2"] = piece2;
Session["Product3"] = piece3;
// Add rows to list control.
lstItems.Items.Clear();
lstItems.Items.Add(piece1.Name);
lstItems.Items.Add(piece2.Name);
lstItems.Items.Add(piece3.Name);
}
// Display some basic information about the session.
// This is useful for testing configuration settings.
lblSession.Text = "Session ID: " + Session.SessionID;
lblSession.Text += "<br>Number of Objects: ";
lblSession.Text += Session.Count.ToString();
lblSession.Text += "<br>Mode: " + Session.Mode.ToString();
lblSession.Text += "<br>Is Cookieless: ";
lblSession.Text += Session.IsCookieless.ToString();
lblSession.Text += "<br>Is New: ";
lblSession.Text += Session.IsNewSession.ToString();
lblSession.Text += "<br>Timeout (minutes): ";
lblSession.Text += Session.Timeout.ToString();
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.cmdMoreInfo.Click += new System.EventHandler(this.cmdMoreInfo_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void cmdMoreInfo_Click(object sender, System.EventArgs e)
{
if (lstItems.SelectedIndex == -1)
{
lblRecord.Text = "No item selected.";
}
else
{
// Construct the right key name based on the index.
string key = "Product" +
(lstItems.SelectedIndex + 1).ToString();
// Retrieve the Product object from session state.
Product piece = (Product)Session[key];
// Display the information for this object.
lblRecord.Text = "Name: " + piece.Name;
lblRecord.Text += "<br>Manufacturer: ";
lblRecord.Text += piece.Description;
lblRecord.Text += "<br>Cost: $" + piece.Cost.ToString();
}
}
}
public class Product
{
public string Name;
public string Description;
public decimal Cost;
public Product(string name, string description,
decimal cost)
{
Name = name;
Description = description;
Cost = cost;
}
}
--%>
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