NET - Get protocol host and port

Question

Is there a simple way in  NET to quickly get the current protocol  host  and port  For example  if I m on the following URL   http   www mywebsite com 80 pages page1 aspx  I need to return   http   www mywebsite com 80  I know I can use Request Url AbsoluteUri to get the complete URL  and I know I can use Request Url Authority to get the host and port  but I m not sure of the best way to get the protocol without parsing out the URL string   Any suggestions

User · Answer

Request Url will return you the Uri of the request   Once you have that  you can retrieve pretty much anything you want   To get the protocol  call the Scheme property   Sample   Uri url   Request Url  string protocol   url Scheme    Hope this helps

User · Answer

Well if you are doing this in Asp Net or have access to HttpContext Current Request I d say these are easier and more general ways of getting them   var scheme   Request Url Scheme     will get http  https  etc  var host   Request Url Host     will get www mywebsite com var port   Request Url Port     will get the port var path   Request Url AbsolutePath     should get the  pages page1 aspx part  can t remember if it only get pages page1 aspx   I hope this helps

User · Answer

Very similar to Holger s answer  If you need to grab the URL can do something like    Uri uri   Context Request Url           var scheme   uri Scheme    returns http  https var scheme2   uri Scheme   Uri SchemeDelimiter     returns http     https    var host   uri Host     return www mywebsite com var port   uri Port     returns port number   The Uri class provides a whole range of methods  many which I have not listed    In my instance  I needed to grab LocalHost along with the Port Number  so this is what I did    var Uri uri   Context Request Url  var host   uri Scheme   Uri SchemeDelimiter   uri Host         uri Port     Which successfully grabbed  http   localhost 12345

User · Answer

Even shorter way  may require newer ASP Net   string authority   Request Url GetComponents UriComponents SchemeAndServer UriFormat Unescaped    The UriComponents enum lets you specify which component s  of the URI you want to include

User · Answer

A more structured way to get this is to use UriBuilder  This avoids direct string manipulation    var builder   new UriBuilder Request Url Scheme  Request Url Host  Request Url Port

User · Answer

Even though  Rick has the accepted answer for this question  there s actually a shorter way to do this  using the poorly named Uri GetLeftPart   method   Uri url   new Uri  http   www mywebsite com 80 pages page1 aspx    string output   url GetLeftPart UriPartial Authority     There is one catch to GetLeftPart    however  If the port is the default port for the scheme  it will strip it out  Since port 80 is the default port for http  the output of GetLeftPart   in my example above will be http   www mywebsite com    If the port number had been something other than 80  it would be included in the result

User · Answer

The following  C   code should do the trick  Uri uri   new Uri  http   www mywebsite com 80 pages page1 aspx    string requested   uri Scheme   Uri SchemeDelimiter   uri Host         uri Port

[.net] .NET - Get protocol, host, and port

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