<%@ Page Language="C#" AutoEventWireup="true" %>
<html>
<head><title>UpdatePanel Call Javascript</title></head>
<body>
<form id="form1" runat="server">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:Button ID="Button1" runat="server" Text="Button"
onclick="Button1_Click" />
<asp:HiddenField ID="hdnScript" runat="server" />
</ContentTemplate>
</asp:UpdatePanel>
<script type="text/javascript">
Sys.WebForms.PageRequestManager.getInstance().add_endRequest(blah);
function blah() { eval($get("hdnScript").value); }
</script>
</form>
<script type="text/C#" runat="server">
protected void Button1_Click(object sender, EventArgs e)
{ hdnScript.Value = "alert('I did it!');";}
</script>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="true" %>
<html>
<head><title>UpdatePanel Call Javascript</title></head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Button ID="Button1" runat="server" Text="Button"
onclick="Button1_Click" />
</ContentTemplate>
</asp:UpdatePanel>
</form>
<script type="text/C#" runat="server">
protected void Button1_Click(object sender, EventArgs e)
{ ScriptManager.RegisterStartupScript(Button1, typeof(Button),
"alert", "alert('Amazing');", true);}
</script>
</body>
</html>