Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Ajax add_beginRequest

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate >
<%=DateTime.Now %><asp:Button ID="Button2" runat="server" Text="Button"
onclick="Button2_Click" />
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Button3"/>
</Triggers>
</asp:UpdatePanel>
<asp:UpdateProgress ID="UpdateProgress1" runat="server"
AssociatedUpdatePanelID="UpdatePanel1" DisplayAfter="0">
<ProgressTemplate>
<font color=gray>Loading....¡£</font>
</ProgressTemplate>
</asp:UpdateProgress>
<hr />
<asp:Button ID="Button3" runat="server" onclick="Button3_Click" Text="Button" />
<br />
<mce:script language="javascript" type="text/javascript"><!--
Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(
function(sender, e) {
if (e.get_postBackElement().id != "<%=this.Button3.ID %>") {
return;
}
var up = $get("<%=this.UpdateProgress1.ID %>");
if ("<%=this.UpdateProgress1.DynamicLayout%>"=="True") {
up.style.display = "block";
}
else {


Ïà¹ØÎĵµ£º

°×»° Ajax ¼°ÆäÈëÃÅ»ù´¡(1)

    Ò»¡¢°×»°AjaxµÄÔ­Àí
    Õâ¸öÆäʵҪ´ÓC/SºÍB/SµÄÔ­Àí˵Æð¡£Windows²Ù×÷ϵͳµÄµ®Éú£¬Îªµ¥»úͨÐÅÌṩÁ˺ܴóµÄÖ§³Ö£¬³ÌÐòÉè¼ÆÒ²´ÓDOSÔçÆÚµÄµ¥ÈÎÎñµ¥Óû§ÏòÍøÂçµÄ·Ö²¼Ê½Ó¦Óùý¶È¡£C/SÌṩµÄ¿Í»§/·þÎñÆ÷±à³ÌÄ£Ê½ÎªÍøÂçÓ¦ÓÃÌṩÁËÒ»¸öÓÐЧµÄͨÐÅÊֶΡ£ä¯ÀÀÆ÷ÓëWeb·þÎñÆ÷Ö®¼äµÄÇëÇó/ ·þÎñ£¬¾ÍÊ ......

ajaxÖÆ×÷±íµ¥Ñé֤ʾÀý

ajaxµÄ¹¦ÄÜÖ÷ÒªÊÇÓ¦ÓÃÔÚjsÉÏ£¬ajax¶ÔaspûʲôҪÇó£¬aspÖ»¸ºÔðÔÚºǫ́ÏÔʾ¼°²Ù×÷·þÎñ¶ËµÄÊý¾Ý¡£
¿ÉÒÔÏñÏÂÃæÕâÑù˼¿¼£º
1.д±íµ¥µÚÒ»ÏÈçÓû§Ãû£©
2.onblurʼþ(ʧȥ½¹µã)·¢Éúʱ¿ªÊ¼ÑéÖ¤£¬onblur="checkusername()"
3.js·¢Ò»¸öÇëÇó¸øµÚÒ»¸öasp(¼Ù¶¨Îªajaxusername.asp)Èç¹û´ÓÊý¾Ý¿âÖÐÕÒµ½ÁËÕâ¸öÓû§£¬¸ø³ö1(ajaxuse ......

FireFoxºÍIE ÖÐ Ajax ͬ²½Ö´ÐÐ

var Ajax = new Object;
Ajax.Sysch = function(url) {
var req;
var result = "";
//document .write ("hello")
if (window.XMLHttpRequest) {
//´úÂë¶Î1
// ·ÇIEä¯ÀÀÆ÷

req = new XMLHttpRequest();
//alert(req);
//req.setReque ......

ASP.NET AJAX µÄ UpdatePanel ¿Ø¼þ²»ÊÇÍòÄܵÄ

ÒÔÏÂÒýÓÃ×Ô MSDN Magazine:
²»Âۺûµ£¬UpdatePanel ¿Ø¼þ¶¼ÊÇ ASP.NET AJAX ÉçÇøËùϲ°®µÄ¡£ÎÒ˵“ºÃ”£¬ÊÇÒòΪ UpdatePanel ʹ²¿·ÖÒ³Ãæ³ÊÏÖ±äµÃÏ൱¼òµ¥£¬¶øËµ“»µ”£¬ÊÇÒòΪËüµÄ¼ò±ãºÍÒ×ÓÃÐÔÊÇÒÔЧÂʺÍÁîÈËÌäЦ½Ô·ÇµÄ´ø¿íΪ´ú¼ÛµÄ¡£
UpdatePanel ¿ÉÒÔΪһ°ãµÄÍøÒ³´øÀ´ AJAX ÉñÆæµÄºÃ´¦£¬µ«ÊÇËü²»ÄÜÌá ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ