You can easily cause a web page to automatically refresh on a periodic basis.
Place the following in the HTML layout page’s header section to refresh the page every 5 seconds:
<meta http-equiv="refresh" content="5">
Customizing Web Page Layout and Style
Using and Modifying Style Sheets
Placing ASP.NET Directives in Layout Pages
Automatically Refresh Page on Periodic Basis
Capturing the Enter Key in Layout Pages