<!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 id="Head1" runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link href="/Style/NiuLan.css" rel="stylesheet" type="text/css" />
<title></title>
<script type="text/javascript">//當重新整理的時候 原先的頁面的展示資料不會隱藏這裡面是隱藏函數
//取得PageRequestManager對象，每一個Asp.net Ajax頁面中會右唯一一個這種對象負責處理所有的Async - Postback要求
var prm = Sys.WebForms.PageRequestManager.getInstance(); //新增事件處理至PageRequestManager的initializeRequest事件，當Async-Postback發生時，此事件會被觸發，我們的InitRequest函數便會被運行
prm.add_initializeRequest(InitRequest);
//新增事件處理至PageRequestManager的endRequest事件，當Async-Postback完成時，此事件會被觸發，我們的EndRequest函數便會被運行
prm.add_endRequest(EndRequest); function InitRequest(sender, args) {
//顯示出UpdateProgress1控制項
document.getElementById('detail').style.display = "none";
}
function EndRequest(sender, args) {
//隱藏UpdateProgress1控制項
document.getElementById('detail').style.display = "block";
}
//用於取消Async-Postback動作
function CancelClick() {
//當處於Async-Postback動作時，get_isInAsyncPostBack函數會回傳true，此時調用abortPostBack 函數便會取消Async-Postback動作。
if (prm.get_isInAsyncPostBack()) {
prm.abortPostBack();
}
}
</script>
</head>
<body >
<form id="Form1" runat="server">
//使用 Ajax Extensitons 中的ScriptManager
<asp:ScriptManager runat="server">
</asp:ScriptManager>
//使用地方比如
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
//放代碼
<div id="detail"><asp:ImageButton ID="ibtnFBSJ" runat="server" ImageUrl="/images/ershoufang/bs/fbsj.gif"
OnClick="ibtnFBSJ_Click" />
</div>
//當在靜態重新整理頁面的時候會調用UpdateProgress 但是這個後台也是需要代碼的看下面
<asp:UpdateProgress ID="UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel1">
<ProgressTemplate>
<div style="text-align: center">
<img alt="" src="/images/loading.gif" />
</div>
</ProgressTemplate>
</asp:UpdateProgress>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
後台
protected void ibtnFBSJ_Click(object sender, ImageClickEventArgs e)
{
System.Threading.Thread.Sleep(2000);
drpSortOrder.SelectedValue = ((int)ErShouFangJiChuZuFang.order.按發布時間排序).ToString();
PopulateDetails();
}
//這樣就可以實現為靜態重新整理頁面，帶載入過程中有旋轉圖片,使用者體驗會很好效果如下
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