asyncpostbacktrigger(异步回调触发器):局部刷新,只刷新updatepanel内部的内容
postbacktrigger(普通回调触发器):全部刷新
<asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> //必须有且一定在updatepanel前面 <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <% =DateTime.Now.ToString()%> </ContentTemplate> <Triggers> <asp:PostBackTrigger ControlID="btn" /> <asp:AsyncPostBackTrigger ControlID="btn2" EventName="click" /> </Triggers> </asp:UpdatePanel> <asp:Button runat="server" Text="刷新1" id="btn"/> <asp:Button runat="server" Text="刷新2" id="btn2" /> <% =DateTime.Now.ToString()%>
时间: 2024-10-13 14:55:06