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How can I use a Timer Control to refresh a page automatically at a specified interval

Platform: ASP.NET| Category: Client Side Scripting

<asp:DropDownList id='DropDownList1' runat='server' onChange='SetClientRefresh(this);'>
	<asp:ListItem Value='1000'>1 second</asp:ListItem>
	<asp:ListItem Value='2000'>2 seconds</asp:ListItem>
	<asp:ListItem Value='3000'>3 seconds</asp:ListItem>

<script language=’javascript’>
var cTimeOut = null;
function SetClientRefresh(sel)
	var newRefresh = sel.options[sel.selectedIndex].value;
	if (cTimeOut != null)
	cTimeOut = window.setTimeout('ReLoadPage()', newRefresh);

function ReLoadPage()

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