How to transform ASP.NET URL without URL routing or URL rewrite?

Question

I am using ASP.NET 2.0 on IIS6 therefore I can’t use system.web.routing. I’ve tried a few URL rewriters but none did what I wanted.

I basically need to transform (read/parse then redirect) URL 1 into 2 with minimum IIS configuration because I don't have the full authority to reconfigure web servers (i.e. ISAP on IIS6 or install 3rd party extensions/libraries). And I can’t transform URL into 3 because all the physical links will break.

Thank you!

Pavel Chuchuva · Accepted Answer · 2010-01-14 03:37:39Z

1

Create 404 error handler, e.g. 404.aspx. In that page, parse request URL and extract code using Request.Path. Then, redirect to default.aspx?code=abc123.

You should be able to set 404 (page not found) handler to 404.aspx for your website, most hosting providers allow that.

answered Jan 14, 2010 at 3:37

Pavel Chuchuva

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8 Comments

Jeff Over a year ago

I was going to manually do the parsing and redirect in Application_Error (global.asax) because I couldn't get rid of the aspxerrorpath querry string as I can't capture the value of /abc123 before aspxerrorpath is thrown because Request.Path is alwasy the URL of the 404 error page.

Pavel Chuchuva Over a year ago

Make sure you set 404 handler in IIS, not in web.config.

Jeff Over a year ago

Do you recommend Application_Error (global.asax) than 404? Becuase I don't have too much control over web servers and we have more than 1 web servers so I prefer the "soft" way. For any IIS setting change, it takes weeks to get approved...

Pavel Chuchuva Over a year ago

If you get Application_Error event for extension-less URLs like http://www.url.com/abc123 by all means, use it. Otherwise you need to configure IIS to use your 404 handler.

Jeff Over a year ago

I've configured my dev IIS to forward 404 to my 404 page yet Request.Url and Request.Path both showing the path to 404 page and Request.UrlReferrer is null.

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Kane · Accepted Answer · 2010-01-13 23:59:04Z

0

I would suggest that you look at using a custom transform with UrlRewriter.net. This link details how you can do it with the Intelligencia.UrlRewriter assembly (about 3/4 of the way down the page). Hopefully is good enough to do what you need.

answered Jan 13, 2010 at 23:59

Kane

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1 Comment

Jeff Over a year ago

I don't think URL rewrite will work because I don't want the URL to be rewritten I only need the URL to be read/parsed then redirect.

IrishChieftain · Accepted Answer · 2010-01-14 00:53:06Z

0

protected void Page_Load(object sender, EventArgs e)
{
    HtmlLink canonicalTag = new HtmlLink();
    canonicalTag.Href = "http://www.url.com/default.aspx";
    canonicalTag.Attributes["rel"] = "canonical";
    Page.Header.Controls.Add(canonicalTag);
}

http://codersbarn.com/post/2009/02/21/ASPNET-SEO-and-the-Canonical-Tag.aspx

answered Jan 14, 2010 at 0:53

IrishChieftain

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