Aspx :
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
window.onload = function () {
$("input[id$=btnChangeSong]").click(function (e) {
e.preventDefault();
$("[id$=audply]").html("<embed src=\"Downloads/" + $("[id$=txtSong]").val() + ".mp3\"></embed>");
});
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:textbox runat="server" id="txtSong" xmlns:asp="#unknown"></asp:textbox>
<asp:button runat="server" id="btnChangeSong" xmlns:asp="#unknown" />
<div id="audply" runat="server">
</div>
</form>
</body>
</html>
</div>
Code behind :
protected void Page_Load(object sender, EventArgs e)
{
audply.InnerHtml = "<embed src=\"Downloads/5 Le petit soldat.mp3\"></embed>";
}