AJAX1.0的UpdateProgress使用
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button_Click(object sender, EventArgs e)
{
System.Threading.Thread.Sleep(3000);
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>UpdateProgress Example</title>
<style type="text/css">
#UpdatePanel1, #UpdatePanel2, #UpdateProgress1 {
border-right: gray 1px solid; border-top: gray 1px solid;
border-left: gray 1px solid; border-bottom: gray 1px solid;
}
#UpdatePanel1, #UpdatePanel2 {
width:200px; height:200px; position: relative;
float: left; margin-left: 10px; margin-top: 10px;
}
#UpdateProgress1 {
width: 400px; background-color: #FFC080;
bottom: 0%; left: 0px; position: absolute;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<script type="text/javascript">
var prm = Sys.WebForms.PageRequestManager.getInstance();
prm.add_initializeRequest(InitializeRequest);
prm.add_endRequest(EndRequest);
var postBackElement;
function InitializeRequest(sender, args) {
if (prm.get_isInAsyncPostBack())
{
args.set_cancel(true);
}
postBackElement = args.get_postBackElement();
if (postBackElement.id == 'ButtonTrigger')
{
$get('UpdateProgress1').style.display = "block";
}
}
function EndRequest (sender, args) {
if (postBackElement.id == 'ButtonTrigger')
{
$get('UpdateProgress1').style.display = "none";
}
}
function AbortPostBack() {
if (prm.get_isInAsyncPostBack()) {
prm.abortPostBack();
}
}
</script>
<asp:Button ID="ButtonTrigger" runat="server" Text="Refresh Panel 1" OnClick="Button_Click" />
<asp:UpdatePanel ID="UpdatePanel1" UpdateMode="Conditional" runat="server">
<ContentTemplate>
<%=DateTime.Now.ToString() %> <br />
The trigger for this panel
causes the UpdateProgress to be displayed
even though the UpdateProgress is associated
with panel 2.
<br />
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="ButtonTrigger" />
</Triggers>
</asp:UpdatePanel>
<asp:UpdatePanel ID="UpdatePanel2" UpdateMode="Conditional" runat="server">
<ContentTemplate>
<%=DateTime.Now.ToString() %> <br />
<asp:Button ID="Button2" runat="server" Text="Refresh Panel" OnClick="Button_Click"/>
</ContentTemplate>
</asp:UpdatePanel>
<asp:UpdateProgress ID="UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel2" >
<ProgressTemplate>
Update in progress...
<input type="button" value="stop" onclick="AbortPostBack()" />
</ProgressTemplate>
</asp:UpdateProgress>
</div>
</form>
</body>
</html>
