Atlas讲座（1）－ UpdatePanel控件（代码）

1. Dome

l CS 文件

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 UpdatePanelDome : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void bt_Change_Click(object sender, EventArgs e)

{

for (int i = 0; i < 100000; i++)

{

}

this.lb_Text.Text = " 你选择的值是：" + ddl_Value.SelectedValue;

}

protected void ddl_Value_TextChanged(object sender, EventArgs e)

{

}

protected void ddl_Value_SelectedIndexChanged(object sender, EventArgs e)

{

System.Threading.Thread.Sleep(1000);

this.lb_Text.Text = " 你选择的值是：" + ddl_Value.SelectedValue;

}

}

l ASPX 文件

<% @ Page Language="C#" AutoEventWireup="true" CodeFile="UpdatePanelDome.aspx.cs" Inherits="UpdatePanelDome" %>

<! 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> 无标题页</title>

</ head >

< body >

<form id="form1" runat="server">

<div>

<atlas:ScriptManager ID="ScriptManager1" EnablePartialRendering="true" runat="server">

</atlas:ScriptManager>

&nbsp;&nbsp;

<br />

<atlas:UpdatePanel ID="up" runat="server">

<ContentTemplate>

<asp:DropDownList ID="ddl_Value" runat="server" OnSelectedIndexChanged="ddl_Value_SelectedIndexChanged" OnTextChanged="ddl_Value_TextChanged">

<asp:ListItem>1</asp:ListItem>

<asp:ListItem>2</asp:ListItem>

<asp:ListItem>3</asp:ListItem>

<asp:ListItem>4</asp:ListItem>

<asp:ListItem>5</asp:ListItem>

</asp:DropDownList>

<asp:Label ID="lb_Text" runat="server"></asp:Label>

<br /><asp:Button ID="bt_Change" runat="server" Text=" 获取" OnClick="bt_Change_Click" />

</ContentTemplate>

<Triggers>

<atlas:ControlValueTrigger ControlID="ddl_Value" PropertyName="SelectedValue" />

<atlas:ControlEventTrigger ControlID="bt_Change" EventName="Click" />

</Triggers>

</atlas:UpdatePanel>

</div>

</form>

</ body >

</ html >

最后

在下一期的讲座里我们介绍下 ATLAS 的绑定技术