asp.net - UpdatePanel and Timer not working -

i have code:

<form id="form1" runat="server"> <div>     <asp:scriptmanager id="scriptmanager1" runat="server">         </asp:scriptmanager>     <asp:timer id="timer1" runat="server" interval="1000" ontick="tickevent"></asp:timer>     <asp:updateprogress id="updateprogress1" runat="server">         <progresstemplate>             <img src="http://jimpunk.net/loading/wp-content/uploads/loading18.gif" />         </progresstemplate>     </asp:updateprogress>     <asp:updatepanel id="updatepanel1" runat="server">         <triggers>             <asp:asyncpostbacktrigger controlid="timer1" eventname="tick" />         </triggers>         <contenttemplate>             <asp:label id="label1" runat="server" text="label"></asp:label>         </contenttemplate>     </asp:updatepanel> </div> </form> 

codebehind code:

protected void tickevent(object sender, eventargs e) {     label1.text = datetime.now.tostring(); } 

but when run page, time doesn't update , progresspanel doesn't show. can 1 help?

i solved recopying scripts files scripts folder