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<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<ContentTemplate>
<asp:Timer ID="Timer2" runat="server"
OnTick="Timer2_Tick" Interval="1000">
</asp:Timer>
<asp:Label ID="Label1" runat="server"
Text="Label"></asp:Label>
</ContentTemplate>
</asp:UpdatePanel>
</div>
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protected void Timer2_Tick(object sender, EventArgs e)//µ¹¼ÆÊ±
{
a=a-1£»
Label1.Text = "²âÊÔµ¹¼ÆÊ±:"+a;//aÊǸöÈ«¾Ö±äÁ¿
}
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