为什么在ModalPopupExtender弹出的窗口中的Button click事件无法响应 - Web 开发 / Ajax
我的代码如下, 在点击 “保存”按钮时网页左下脚提示错误,数据库操作无法更新,请帮忙
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="qylx.aspx.cs" Inherits="qylx" %>
<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="cc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
     <title></title>
     <style type ="text/css">
     .modalBackground {    background-color:Gray;    filter:alpha(opacity=70);    opacity:0.7;}
     .modalPopup {    background-color:#E3EAEB;    border-width:3px;    border-style:solid;    border-color:Gray;    padding:3px;    width:250px;}
     .sampleStyleA {    background-color:#FFF;}
     .sampleStyleB {    background-color:#FFF;    font-family:monospace;    font-size:10pt;    font-weight:bold;}
        </style>
</head>
<body>
     <form id="form1" runat="server">
     <div>
         <asp:ScriptManager ID="ScriptManager1" runat="server">
         </asp:ScriptManager>
         <asp:Button ID="Button1" runat="server" Text="增加企业类型" />
         <cc1:ModalPopupExtender ID="Button1_ModalPopupExtender" runat="server"  BackgroundCssClass="modalBackground"
             TargetControlID="Button1" PopupControlID ="Panel1" DropShadow ="true" Drag ="true" PopupDragHandleControlID="Panel2" OkControlID="Button2" CancelControlID="Cancel">
         </cc1:ModalPopupExtender>
         <asp:Panel ID="Panel1" runat="server"  Style="display: none" >
             <asp:Panel ID="Panel2" runat="server" CssClass="modalPopup" Width="355px"  
                 Height="103px">
             <div style="text-align: center">
                 <p style="font-size: 12pt"> 增加企业类型:</p>
                 <asp:Label ID="Label1" runat="server" Text="企业类型:" Font-Size="10pt"></asp:Label>
                 <asp:TextBox ID="TextBox1" runat="server" Height="18px" Width="256px"  
                     CssClass="sampleStyleA"></asp:TextBox>
                       <br />
                  
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Save" EventName="Click" />
</Triggers>
</asp:UpdatePanel>  
<asp:Button ID="Save" runat="server" Text="保  存" onclick="Save_Click" />
                 <asp:Button ID="Button2" runat="server" Text="Button" />
                        
                     <asp:Button ID="Cancel" runat="server" Text="取  消" />
                  </div>    
             </asp:Panel>
         </asp:Panel>