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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"
Inherits="Default" Theme="Core35-Basic" %>
<!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 runat="server">
<title>Track Your Viewstate</title>
</head>
<body>
<form id="form1" runat="server">
<div id="pageContent">
<asp:Button ID="Button1" runat="server" Text="Post back..." OnClick="Button1_Click" />
<br />
<br />
</div>
</form>
</body>
</html>
File: Default.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.HtmlControls;
public partial class Default : System.Web.UI.Page
{
protected void Page_PreInit(object sender, EventArgs e)
{
this.TraceEnabled = true;
}
protected void Page_Init(object sender, EventArgs e)
{
if (!IsPostBack)
{
this.ViewState["MyData"] = "Hello, world";
}
Trace.Warn("[MyData] now contains", (string) ViewState["MyData"]);
}
protected void Page_Load(object sender, EventArgs e)
{
Trace.Warn("[MyData] now contains", (string)ViewState["MyData"]);
}
}
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