📄 keydependency.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<%@ Page Language="C#" %>
<script language="C#" runat=server>

void UpdateItem1( object s, EventArgs e )
{
  Cache[ "item1" ] = txtNewValue.Text;
}

void UpdateItem2( object s, EventArgs e )
{
   string arrKeyDepends = ( "item1" );
   Cache.Insert( "item2", txtNewValue.Text, new CacheDependency( Server.MapPath(arrKeyDepends), System.DateTime.Now ) );
}

</Script>

<html>
<head><title>KeyDependency.aspx</title></head>
<body>
<form Runat="Server">

<asp:TextBox
  ID="txtNewValue"
  Runat="Server" />
<p>
<asp:Button
  Text="Update Item1"
  OnClick="UpdateItem1"
  Runat="Server" />
<asp:Button
  Text="Update Item2"
  OnClick="UpdateItem2"
  Runat="Server" />

<hr>

Item1 = <%=Cache[ "item1" ]%>
<br>
Item2 = <%=Cache[ "item2" ]%>

</form>
</body>
</html>

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