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Posted 2 Jun 2011

ASP.NET ResolveUrl Without Page

, 2 Jun 2011
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Using ResolveUrl without Page

The Quick Answer


Don't forget the ~/ (tilde) before the page name.

The Lengthy Explanation

Assume that we want to redirect to default.aspx that's on the site root:


If we're on a page that's also on the root, it will map to and work correctly.

The Problem

The problem comes when we're not on the site root but inside a child folder. Let's say we're on a page that's inside the /Administration folder, the same line will map to and that of course won't resolve and return a glorious 404: Page Not Found.

The Solution

Solving this is easy using the ResolveUrl method:


Where This Won't Work

ResolveUrl is only available within the context of a Page or a UserControl; if you're, for instance, inside an ASHX, this method isn't available. In these cases, you have to use the following line to do the job:


We must include the tilde before the page name to make it a relative path, otherwise this method will throw an exception.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Comments and Discussions

GeneralMy vote of 5 Pin
prabhu singh17-Feb-13 19:11
memberprabhu singh17-Feb-13 19:11 
GeneralMy vote of 5 Pin
Alex B. Clarke16-Nov-12 1:42
memberAlex B. Clarke16-Nov-12 1:42 
Thanks for a concise and practicals answer

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