VIEWSTATE
aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ViewStateDemo.aspx.cs"
Inherits="CZBK.ItcastProject.WebApp.ViewState.ViewStateDemo" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<span><%=Count %></span>
<input type="submit" value="submit" />
</div>
</form>
</body>
</html>
aspx.cs:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls; namespace CZBK.ItcastProject.WebApp.ViewState
{
public partial class ViewStateDemo : System.Web.UI.Page
{
public int Count { get; set; }
protected void Page_Load(object sender, EventArgs e)
{
int count = ;
if (ViewState["count"] != null)
{
count = Convert.ToInt32(ViewState["count"]);
count++;
Count = count;
}
ViewState["count"] = Count;
//当我们把数据给了ViewState对象以后，该对象会将数据进行编码，然后存到__VIEWSTATE隐藏域中，然后返回给浏览器 //当用户通过浏览器单击"提交"按钮，会向服务器端发送一个POST请求，那么__VIEWSTATE隐藏域的值会提交到服务器端，
//那么服务端自动接收__VIEWSTATE隐藏域的值，并且再反编码，重新赋值给VIEWSTATE对象。 }
}
}