Ajax Time control for Asp.net

You can use a AJAX timer control in asp.net pages like the below

Place the below in your .aspx page

1. You would need a ScriptManager

<asp:scriptmanager enablepartialrendering="true" id="ScriptManager1" runat="server"> </asp:scriptmanager>

2. Then a Timer control

<asp:timer id="Timer1" runat="server" interval="300000" enabled="True" >
</asp:timer> 

the Interval specified is in Milliseconds