Cache with user component : Cache « Custom Controls « ASP.NET Tutorial






<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="CacheTest" %>

<%@ Register Src="Control.ascx" TagName="CachedWebUserControl" TagPrefix="uc1" %>

<!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>Cache Test</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label><br />
        <uc1:CachedWebUserControl id="CachedWebUserControl1" runat="server">
        </uc1:CachedWebUserControl>&nbsp;</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.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class CacheTest : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    this.Label1.Text = string.Format("The Time in the Web Page is: {0}",
      DateTime.Now.ToLongTimeString());
    }
}


File: Control.ascx

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="Control.ascx.cs" Inherits="CachedWebUserControl"  %>
<%@ OutputCache Duration=60 VaryByParam="none" %>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>

File: Control.ascx.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.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class CachedWebUserControl : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
    this.Label1.Text = string.Format("The Time in the User Control is: {0}",
      DateTime.Now.ToLongTimeString());
    }
}








14.6.Cache
14.6.1.Cache with user component
14.6.2.Cache user control (Fragment Caching With Property)