Atlas讲座(1)- UpdatePanel控件(代码)

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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
 
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