Get individual query parameters from Uri

Question

I have a uri string like  http   example com file a 1 amp b 2 amp c string 20param  Is there an existing function that would convert query parameter string into a dictionary same way as ASP NET Context Request does it   I m writing a console app and not a web-service so there is no Context Request to parse the URL for me   I know that it s pretty easy to crack the query string myself but I d rather use a FCL function is if exists

User · Answer

You can use   var queryString   url Substring url IndexOf       Split      0  System Web HttpUtility ParseQueryString queryString    MSDN

User · Answer

I had to do this for a modern windows app  I used the following   public static class UriExtensions       private static readonly Regex  regex   new Regex      amp    w  w          amp             public static IReadOnlyDictionary lt string  string gt  ParseQueryString this Uri uri                var match    regex Match uri PathAndQuery           var paramaters   new Dictionary lt string  string gt             while  match Success                        paramaters Add match Groups 1  Value  match Groups 2  Value               match   match NextMatch                      return paramaters

User · Answer

Use this   string uri        string queryString   new System Uri uri  Query  var queryDictionary   System Web HttpUtility ParseQueryString queryString     This code by Tejs isn t the  proper  way to get the query string from the URI   string Join string Empty  uri Split      Skip 1

User · Answer

This should work   string url    http   example com file a 1 amp b 2 amp c string 20param   string querystring   url Substring url IndexOf        System Collections Specialized NameValueCollection parameters       System Web HttpUtility ParseQueryString querystring     According to MSDN  Not the exact collectiontype you are looking for  but nevertheless useful    Edit  Apparently  if you supply the complete url to ParseQueryString it will add  http   example com file a  as the first key of the collection  Since that is probably not what you want  I added the substring to get only the relevant part of the url

User · Answer

Microsoft Azure offers a framework that makes it easy to perform this  http   azure github io azure-mobile-services iOS v2 Classes MSTable html   api name readWithQueryString completion

User · Answer

You could reference System Web in your console application and then look for the Utility functions that split the URL parameters

User · Answer

Have a look at HttpUtility ParseQueryString   It ll give you a NameValueCollection instead of a dictionary  but should still do what you need   The other option is to use string Split         string url     http   example com file a 1 amp b 2 amp c string 20param       string   parts   url Split new char          amp             parts 0  now contains http   example com file        parts 1     a 1         parts 2     b 2         parts 3     c string 20param

User · Answer

For isolated projects  where dependencies must be kept to a minimum  I found myself using this implementation   var arguments   uri Query    Substring 1     Remove        Split   amp       Select q   gt  q Split          ToDictionary q   gt  q FirstOrDefault    q   gt  q Skip 1  FirstOrDefault       Do note  however  that I do not handle encoded strings of any kind  as I was using this in a controlled setting  where encoding issues would be a coding error on the server side that should be fixed

User · Answer

In a single line of code   string xyz   Uri UnescapeDataString HttpUtility ParseQueryString Request QueryString ToString    Get  XYZ

[c#] Get individual query parameters from Uri

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