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I'm trying out WinHost and I'm running into some issues with sub-domains. On WinHost, you can have multiple sub-domains per hosting account, but each sub-domain points to the root website. E.g. you can have,, and but all of them display the content at

Other Hosts allow you to point sub-domains to a sub folder in your website. This would allow you to point to /sub1, to /sub2 and to /.

WinHost recommends using an asp/aspx page to redirect to, which points to /sub1. While that would work, I'd like to not have the subdomain in the url twice.

So I tried using IIS7 URL Rewrite to point to /sub1. Ben Powell describes this in detail on his blog. This is great, except Request.ApplicationPath is now /sub1/path/to/current/page.aspx, which breaks ASP.Net Themes (and probably other stuff too).

What can I do to fix the ApplicationPath? Is there a better way to accomplish this?

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2 Answers 2

In addition to the redirect, you will need to mark each site as an application in IIS. WinHost should have a control panel or way for you to mark each of the sites as their own application. That will make folders like /sub1/ as a root application.

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Yes, /sub1 is an application root but it doesn't help the ApplicationPath problem. For the time being, I changed the rule to redirect to instead of rewriting it. It's not pretty, but it works. – jrummell Apr 23 '10 at 20:35
I'm not positive of the syntax right off but it's something like Request.ApplicationPath("~\") that will give you the path relative to the root of the application that you're currently in. – Scott Forsyth - MVP Apr 26 '10 at 19:06
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I couldn't figure out how to fix the application path, so now I'm simply using the URL Rewrite Module to redirect (not rewrite) from to It's not ideal, but it works. See my blog post for the details.

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Thanks for this blog. I've been struggling with the same issue ever since WH4L sold-out and moved to a new platform offering less features than before so I was looking at WinHost. I'd ended up at the URL rewrite workaround for this but like you, I'm struggling to get Response.Redirect("~/MyPage.aspx") working – Rob Nicholson May 18 '10 at 7:13

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