Basic operations executed on the ASP.NET Cache object : Introduction « Cache « ASP.NET Tutorial






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  2. Cache
  3. Introduction
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" 
    Inherits="Default" %>

<!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>Testing the Cache</title>
</head>
<body>
    <div id="pageContent">
        <form id="form1" runat="server">
            <asp:Button ID="Button1" runat="server" Text="Add a new item..." OnClick="Add_Click" />
            <asp:Button ID="Button2" runat="server" Text="Read the item..." OnClick="Read_Click" />
            <asp:Button ID="Button3" runat="server" Text="Remove the item..." OnClick="Remove_Click" />
            <hr />
            <asp:Label runat="server" ID="Label1" />
        </form>
    </div>
</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;


public partial class Default : System.Web.UI.Page
{
    protected void Read_Click(object sender, EventArgs e)
    {
        string msg = String.Format("{0} ({1})", 
            Cache.Get("MyData"), 
            Cache.Get("MyData").GetType().ToString());

        Label1.Text = msg;
    }
    protected void Add_Click(object sender, EventArgs e)
    {
        Cache["MyData"] = DateTime.Now;
    }
    protected void Remove_Click(object sender, EventArgs e)
    {
        object obj = Cache.Remove("MyData");
        Label1.Text = obj.GetType().ToString();
    }
}








13.1.Introduction
13.1.1.Overview of Caching
13.1.2.Basic operations executed on the ASP.NET Cache object
13.1.3.Programmatic Fragment Caching
13.1.4.Cache Object DataSource
13.1.5.Convert data in Cache to integer