How to get current page URL in MVC 3

Question

I am using the Facebook comments plugin on a blog I am building  It has some FBXML tags that are interpreted by the facebook javascript that is referenced on the page   This all works fine  but I have to pass in the current  fully-qualified URL to the plugin    lt div style  width  900px  margin  auto   gt       lt div id  fb-root  gt  lt  div gt       lt fb comments href  URL HERE  num posts  10  width  900  gt  lt  fb comments gt   lt  div gt    What is the best way to get the URL of the current page  The request URL   Solution  Here is the final code of my solution    lt fb comments href   Request Url AbsoluteUri  num posts  15  width  900  gt  lt  fb comments gt

User · Answer

I too was looking for this for Facebook reasons and none of the answers given so far worked as needed or are too complicated.

@Request.Url.GetLeftPart(UriPartial.Path)

Gets the full protocol, host and path "without" the querystring. Also includes the port if you are using something other than the default 80.

User · Answer

Add this extension method to your code   public static Uri UrlOriginal this HttpRequestBase request      string hostHeader   request Headers  host       return new Uri string Format   0     1  2         request Url Scheme        hostHeader        request RawUrl        And then you can execute it off the RequestContext HttpContext Request property   There is a bug  can be side-stepped  see below  in Asp Net that arises on machines that use ports other than port 80 for the local website  a big issue if internal web sites are published via load-balancing on virtual IP and ports are used internally for publishing rules  whereby Asp Net will always add the port on the AbsoluteUri property - even if the original request does not use it   This code ensures that the returned url is always equal to the Url the browser originally requested  including the port - as it would be included in the host header  before any load-balancing etc takes place   At least  it does in our  rather convoluted   environment     If there are any funky proxies in between that rewrite the host header  then this won t work either   Update 30th July 2013  As mentioned by  KevinJones in comments below - the setting I mention in the next section has been documented here  http   msdn microsoft com en-us library hh975440 aspx  Although I have to say I couldn t get it work when I tried it - but that could just be me making a typo or something   Update 9th July 2012  I came across this a little while ago  and meant to update this answer  but never did   When an upvote just came in on this answer I thought I should do it now   The  bug  I mention in Asp Net can be be controlled with an apparently undocumented appSettings value - called  aspnet UseHostHeaderForRequest  - i e    lt appSettings gt     lt add key  aspnet UseHostHeaderForRequest  value  true    gt   lt  appSettings gt    I came across this while looking at HttpRequest Url in ILSpy - indicated by the --- gt  on the left of the following copy paste from that ILSpy view   public Uri Url     get         if  this  url    null  amp  amp  this  wr    null              string text   this QueryStringText        if   string IsNullOrEmpty text                   text         HttpEncoder CollapsePercentUFromStringInternal text             this QueryStringEncoding            --- gt  if  AppSettings UseHostHeaderForRequestUrl                  string knownRequestHeader   this  wr GetKnownRequestHeader 28           try                     if   string IsNullOrEmpty knownRequestHeader                           this  url   new Uri string Concat new string                               this  wr GetProtocol                                       knownRequestHeader                this Path                text                                                 catch  UriFormatException                          if  this  url    null       build from server name and port                 I personally haven t used it - it s undocumented and so therefore not guaranteed to stick around - however it might do the same thing that I mention above   To increase relevancy in search results - and to acknowledge somebody else who seeems to have discovered this - the  aspnet UseHostHeaderForRequest  setting has also been mentioned by Nick Aceves on Twitter

User · Answer

You could use the Request RawUrl  Request Url OriginalString  Request Url ToString   or Request Url AbsoluteUri

User · Answer

My favorite     Url Content Request Url PathAndQuery    or just     Url Action

User · Answer

public static string GetCurrentWebsiteRoot         return HttpContext Current Request Url GetLeftPart UriPartial Authority

User · Answer

Request Url PathAndQuery  should work perfectly  especially if you only want the relative Uri  but keeping querystrings

User · Answer

For me the issue was when I tried to access HTTPContext in the Controller s constructor while HTTPContext is not ready yet  When moved inside Index method it worked   var uri   new Uri Request Url AbsoluteUri   url   uri Scheme           uri Host       enter code here

User · Answer

One thing that isn t mentioned in other answers is case sensitivity  if it is going to be referenced in multiple places  which it isn t in the original question but is worth taking into consideration as this question appears in a lot of similar searches   Based on other answers I found the following worked for me initially   Request Url AbsoluteUri ToString    But in order to be more reliable this then became   Request Url AbsoluteUri ToString   ToLower    And then for my requirements  checking what domain name the site is being accessed from and showing the relevant content    Request Url AbsoluteUri ToString   ToLower   Contains  xxxx

User · Answer

The case  single page style  for browser history  HttpContext Request UrlReferrer

[c#] How to get current page URL in MVC 3

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