Mega Code Archive
Passing Additional Information During an Asynchronous Postback
<![CDATA[
<%@ 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 dtlProduct_DataBound(object sender, EventArgs e)
{
string productTitle = (string)DataBinder.Eval(dtlProduct.DataItem, "Title");
if (sm1.IsInAsyncPostBack)
{
sm1.RegisterDataItem(Head1, productTitle);
}
else
{
Head1.Title = productTitle;
hTitle.InnerHtml = productTitle;
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>UpdatePanel DataItem</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager
id="sm1"
Runat="server" />
<h1 id="hTitle" runat="server"></h1>
<asp:UpdatePanel
id="upSearch"
Runat="server">
<ContentTemplate>
<asp:DetailsView
id="dtlProduct"
DataSourceID="srcProducts"
AllowPaging="true"
Runat="server" OnDataBound="dtlProduct_DataBound" />
</ContentTemplate>
</asp:UpdatePanel>
<asp:SqlDataSource
id="srcProducts"
ConnectionString='<%$ ConnectionStrings:con %>'
SelectCommand="SELECT Id,Title,Director FROM Product"
Runat="server" />
</div>
</form>
<script type="text/javascript">
var prm = Sys.WebForms.PageRequestManager.getInstance();
prm.add_pageLoaded( prm_pageLoaded );
function prm_pageLoaded(sender, args)
{
if (prm.get_isInAsyncPostBack())
{
var productTitle = args.get_dataItems()['Head1'];
document.title = productTitle;
$get('hTitle').innerHTML = productTitle;
}
}
</script>
</body>
</html>
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