<%@ Page Language="vb" %> <%@ OutputCache Duration="300" VaryByParam="None" %> <html> <head> <title>Adding a file dependency in ASP.NET</title> <script runat="server"> Sub Page_Load() Response.AddFileDependency(Server.MapPath("dep.txt")) myMessage.Text = DateTime.Now() End Sub </script> </head> <body> <asp:label id="myMessage" runat="server"/> </body> </html>