Cache ASP.Net Tutorial

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  4. You enable Page Output Caching by adding an %@ OutputCache % directive to a page
The following page caches its contents  for 15 seconds.
<%@ Page Language="C#" %>
<%@ OutputCache Duration="15" VaryByParam="none" %>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    void Page_Load()
    {
        lblTime.Text = DateTime.Now.ToString("T");
    }



    Cache Page Output


    
    

            id="lblTime"
        Runat="server" />