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asp.net页面时间实时更新—UpdatePanel的应用
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:Label ID="lblTime" runat="server" Text=""></asp:Label>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />
</Triggers>
</asp:UpdatePanel>
<asp:Timer ID="Timer1" runat="server" ontick="Timer1_Tick" Interval="1000">
</asp:Timer>
protected void Timer1_Tick(object sender, EventArgs e)
{
this.lblTime.Text = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");
}
最后更新：2017-04-02 22:16:00