按钮单击在更新面板中不起作用

试试这个

集

ChildrenAsTriggers

true

EventName="Click"

asp:AsyncPostBackTrigger

<asp:UpdatePanel ID="updatePanel2" runat="server" UpdateMode="Conditional"      ChildrenAsTriggers="true">   <ContentTemplate>    <asp:Button ID="btnBlock"  Text="BlockCalls" runat="server"  onclick="btnBlock_Click" Enabled="True" Width="100px" />     </ContentTemplate>   <Triggers>     <asp:AsyncPostBackTrigger ControlID="btnBlock" EventName="Click"/>     </Triggers></asp:UpdatePanel>