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Asked: 2026-05-19T11:58:34+00:00

I am trying to use query strings in ASP.NET. I have a requirement of

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I am trying to use query strings in ASP.NET. I have a requirement of the following format

http://localhost/website/1/?callback=?

Here 1 denotes the ID of the profile. This means some info from id=1 will be fetched through the string

If this would have been website/2/?callback=? , then the id would be 2. My questions is to how do I use this /id/ as a query string so it can be used to fetch the profile ID. This was my first preference to use /id/ format otherwise I could look into fetching using two ?'s

If the id =1, I want to fetch ID=1 particulars from DB on this page. http://localhost/website/1/?callback=?

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  1. Editorial Team

    In your case the ID is in the PATH, not the query string. You can access the path via Request.Path in an ASPX page. From there you would need to do some string parsing to get at the portion of the path where you expect the ID to be.

    In your case I would probably use something like int.Parse(Request.Path.Split(new char[] {'/'}, StringSplitOptions.RemoveEmptyEntries)[1]), but please note that I’ve made that line pretty dense for brevity’s sake. For starters, you should use int.TryParse() instead of int.Parse(). This code assumes that the ID will always be in the same place in the url. For example, it will work for “/website/2/” and “/user/2/”, but not for “/website/somethingelse/2/”.

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