Mega Code Archive
Use ViewState to store object list (C#)
<![CDATA[
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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: 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 : System.Web.UI.Page
{
[Serializable]
class Person
{
public string first = "first";
public string last = "last";
public string blog = "http://www.rntsoft.com";
}
protected void Page_Load(object sender, EventArgs e)
{
Person[] people = new Person[500];
for (int i = 0; i < people.Length; i++)
{
people[i] = new Person();
}
ViewState["Folks"] = people;
}
private string _pageGuid = null;
public string PageGuid
{
get
{
if (_pageGuid == null)
_pageGuid = this.Request.Form["__VIEWSTATE_KEY"];
if (_pageGuid == null)
_pageGuid = Guid.NewGuid().ToString();
return _pageGuid;
}
set
{
_pageGuid = value;
}
}
protected override object LoadPageStateFromPersistenceMedium()
{
return Session[this.PageGuid];
}
protected override void SavePageStateToPersistenceMedium(object viewState)
{
RegisterHiddenField("__VIEWSTATE_KEY", this.PageGuid);
Session[this.PageGuid] = viewState;
}
}
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