Ajax的按钮事件效果

最新推荐文章于 2024-04-03 15:31:11 发布

转载最新推荐文章于 2024-04-03 15:31:11 发布 · 191 阅读

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原文链接：http://www.cnblogs.com/alanliu/archive/2008/02/20/1075312.html

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当点击按钮之后,先执行OnClientClick事件,将span的内容更改为图片.
OnClick事件执行结束之后,把结果输出给span.

<%

@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Raw_Default" Debug="true" %>

<%

@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajaxtoolkit" %>

<!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>未命名頁面</title>

<script language="javascript">

function get_back()

{

var msg= document.getElementById("<%=message.ClientID%>");

msg.innerHTML="<img src=\"../images/indicator.gif\" border=\"0\" alt=\"Processing\" width=\"16px\" height=\"16px\" />";

}

</script>

</head>

<body>

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

<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>

<asp:UpdatePanel ID="UpdatePanel1" runat="server">

<ContentTemplate>

<div>

<span id="message" runat="server">default</span><br />

<br />

<br />

<br />

<asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="get_back()" OnClick="Button1_Click" /></div>

</ContentTemplate>

</asp:UpdatePanel>

<ajaxtoolkit:UpdatePanelAnimationExtender ID="UpdatePanelAnimationExtender1" runat="server" TargetControlID="UpdatePanel1">

<Animations>

<OnUpdating>

<Sequence>

<Parallel duration="0">

<EnableAction AnimationTarget="Button1" Enabled="false" />

</Parallel>

</Sequence>

</OnUpdating>

<OnUpdated>

<Sequence>

<Parallel duration="0">

<EnableAction AnimationTarget="Button1" Enabled="true" />

</Parallel>

</Sequence>

</OnUpdated>

</Animations>

</ajaxtoolkit:UpdatePanelAnimationExtender>

</form>

</body>

</html>

CodeBehind代码:

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 Raw_Default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void Button1_Click(object sender, EventArgs e)

{

System.Threading.Thread.Sleep(8000);

this.message.InnerText = "Finished";

}

}

效果如图:

转载于:https://www.cnblogs.com/alanliu/archive/2008/02/20/1075312.html

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