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本文讲解如何在asp.net中使用javascript获取showModalDialog窗口的返回值，下面是一个简单的小例子，有两个页面，具体如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>
<!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>Untitled Page</title>
<script language="javascript" type="text/javascript">
// <!CDATA[
function btnTest_onclick() {
var val = window.showModalDialog("Default4.aspx","","Status:No;DialogWidth:450px;DialogHeight:350px;help:no");
if(val != null)
{
var array = val.split(";");
for(i=0;i<array.length;i++)
{
alert(array[i]);
}
}
}
// ]]>
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="btnTest" type="button" value="Test" onclick="return btnTest_onclick()" /></div>
</form>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default4.aspx.cs" Inherits="Default4" %>
<!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>Untitled Page</title>
<script language="javascript" type="text/javascript">
// <!CDATA[
function btnClose_onclick() {
returnValue = "0001;hubery;Beijing";
window.close();
}
// ]]>
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="btnClose" type="button" value="close" onclick="return btnClose_onclick()" />
</div>
</form>
</body>
</html>
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