UpdatePanel

<html >
<head runat="server">
    <title>无标题页</title>
    <script type="text/javascript" src="JS/jquery-1.3.1.js" ></script>
    <script type="text/javascript" src="Default(UpdatePanel).js" ></script>
    <script type="text/javascript">
    function loadallHandler()
    {
        Sys.WebForms.PageRequestManager.getInstance().add_endRequest(allHandler);
    }
    </script>
</head>
<body onload="loadallHandler()">
    <form id="form1" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
                </asp:ScriptManager>
    <div>   
        <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
            <ContentTemplate>
               
                <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
                <asp:Button ID="Button1" runat="server" Text="Button" />
                <asp:Button ID="Button2" runat="server" Text="Button" />
                <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
            </ContentTemplate>
            <Triggers>
                <asp:AsyncPostBackTrigger ControlID="TextBox1" />
            </Triggers>
        </asp:UpdatePanel>
   
    </div>
    <p>
        &nbsp;</p>
    <p>
        &nbsp;</p>
    </form>
</body>
</html>

Default(UpdatePanel).js 页面代码
$(document).ready(allHendler);
function allHandler()
{
$("#Button1").click(function(){
alert("Hello world!");
});

$("#TextBox1").blur(function()
{
alert("TextBox1的Blur事件");
});
}