<asp:ScriptManager ID="ScriptManager1" runat="server">
&nbs
p; </asp:ScriptManager>
<h2>
使用VS控件updatePanel实现无刷新
</h2>
<p>
&
amp;nbsp;<asp:UpdatePanel ID="UpdatePanel1" RenderMode="Block" UpdateMode="Cond
ITional" runat="server">
<ContentTemplate>
点击按钮从
服务器获取当前时间<asp:TextBox ID="txtTime" runat="server"></asp:TextBox>
<asp:Button ID="
BTn1" runat="server" Text="Button" onclick="btn1_Click" />
</ContentTemplate>
<Triggers>
<%--<asp:PostBackTrigger ControlID="btn1" />--%>
<asp:AsyncPostBackTrigger ControlID="btn1"/>
</Triggers>
</asp:UpdatePanel>
</p>
PRotected void btn1_Click(object sender, Event
args e)
{
txtTime.Text = DateTime.Now.ToString();
}