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11.30.06
Retrieve Subdomain From A URL In C#
 By
Mads Kristensen
I had to come up with a method that retrieved the subdomain from the current web request on an ASP.NET website.
I thought that the System.Uri class contained that information in an easy retrievable way, but no.
Here's what I came up with instead. It still uses the System.Uri to find the subdomain.
To use it, simply put in the URL of your choice like so:
Update
Based on the comments I've had so far on this post, I've made some changes to the GetSubDomain() method as shown below.
Thanks to Anders and Jacob for the comments.
About the Author:
Mads Kristensen currently works as a Senior Developer at Traceworks located
in Copenhagen, Denmark. Mads graduated from Copenhagen Technical Academy with a multimedia degree in
2003, but has been a professional developer since 2000. His main focus is on ASP.NET but is responsible for Winforms, Windows- and
web services in his daily work as well. A true .NET developer with great passion for the simple solution.
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