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ASP.NET AJAX：Ajax之ModalPopupExtender的后台调用2011-08-08 博客园 Simon HanModalPopupExtender 也可以实现在后台的调用：页面代码（Modified from www.asp.net/ajax）：<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<！DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<link href="StyleSheet.css" rel="stylesheet" type="text/css" />
<script type="text/javascript">
var styleToSelect;
function onOk（） {
document.getElementById（"Paragraph1"）.className = styleToSelect;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<br />
<asp:LinkButton ID="LinkButton1" runat="server">Please click to select an alternate text style.</asp:LinkButton><br />
<br />
<div>
<p id="Paragraph1">
<a href="http://joeon.net"><span style="color: #3366cc">Joe Stagner</span></a>,
a member of the Microsoft product team, builds a CascadingDropDown sample application
that demonstrates two fundamental benefits of AJAX-enabled web applications, namely
web service integration and asynchronous page updates.
</p>
<asp:Panel ID="Panel1" runat="server" CssClass="modalPopup" Style="display: none" Width="233px">
<p>Choose the style you would like:</p>
<input id="RadioA" name="Radio" onclick="styleToSelect = "sampleStyleA";" type="radio" />
<label class="sampleStyleA" for="RadioA">Choose THIS Style.</label><br />
<input id="RadioB" name="Radio" onclick="styleToSelect = "sampleStyleB";" type="radio" />
<label class="sampleStyleB" for="RadioB">Choose THIS Style.</label><br />
<input id="RadioC" name="Radio" onclick="styleToSelect = "sampleStyleC";" type="radio" />
<label class="sampleStyleC" for="RadioC">Choose THIS Style.</label><br />
<input id="RadioD" name="Radio" onclick="styleToSelect = "sampleStyleD";" type="radio" />
<label class="sampleStyleD" for="RadioD">Choose THIS Style.</label><br />
<br />
<div align="center">
<asp:Button ID="OkButton" runat="server" Text="OK" />
<asp:Button ID="CancelButton" runat="server" Text="Cancel" />
</div>
</asp:Panel>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="后台显示" />
<br />
</div>
</form>
</body>
</html>
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