301 domain based Redirect not working in global.asax file, any ideas?

I have done this before using an HttpModule and the Application_BeginRequest method. You should be able to use Application_BeginRequest in Global.asax as well. I don't think that Page_Load is what you want.

Ah, yeah your right not sure why I used on load event...

Any ideas on how to make it so it doesn't forward to the domain/default.aspx, I'm trying to keep the SEO on the main domain/

This works:

<script language="C#" runat="server">
 
protected void Application_BeginRequest(Object sender, EventArgs e)
        {

if (HttpContext.Current.Request.Url.ToString().ToLower().Contains("http://olddomain"))
{
    HttpContext.Current.Response.Status = "301 Moved Permanently";
    HttpContext.Current.Response.AddHeader("Location", Request.Url.ToString().ToLower().Replace("http://olddomain","http://newdomain"));
}

}
</script>

However is forwards all to newdomain/default.aspx and then google index's the domain/default.aspx page instead of the domain itself.