UpdatePanelTest.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="UpdatePanelTest.aspx.cs" Inherits="UpdatePanelTest" %>
<%@ Register Assembly="Microsoft.Web.Atlas" Namespace="Microsoft.Web.UI" TagPrefix="Atlas" %>
<!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>UpdatePanelTest</title>
</head>
<body>
<form id="form1" runat="server">
<atlas:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="True">
</atlas:ScriptManager>
<br />
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
<asp:ListItem>bad</asp:ListItem>
<asp:ListItem>good</asp:ListItem>
<asp:ListItem>best</asp:ListItem>
</asp:DropDownList>
<div>
<atlas:UpdatePanel runat="server" ID="UpdatePanel1">
<ContentTemplate>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</ContentTemplate>
<Triggers>
<atlas:ControlEventTrigger ControlID="DropDownList1" EventName="SelectedIndexChanged" />
</Triggers>
</atlas:UpdatePanel>
</div>
</form>
</body>
</html>
UpdatePanelTest.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class UpdatePanelTest : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
this.Label1.Text = "Selected:"+this.DropDownList1.SelectedValue;
}
}
鸣谢TerryLee