I have a variable
string rawURL = HttpContext.Current.Request.RawUrl;
How do I read the query string parameters for this url?
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Possible duplicate: stackoverflow.com/questions/1206548/…LittleBobbyTables - Au Revoir– LittleBobbyTables - Au Revoir2012-07-26 19:54:09 +00:00Commented Jul 26, 2012 at 19:54
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6 Answers
This is probably what you're after
Uri theRealURL = new Uri(HttpContext.Current.Request.Url.Scheme + "://" + HttpContext.Current.Request.Url.Authority + HttpContext.Current.Request.RawUrl);
string yourValue= HttpUtility.ParseQueryString(theRealURL.Query).Get("yourParm");
5 Comments
james31rock
really? Is that all really necessary?
GilliVilla
@james31rock yes..really :) Question wasn't that obvious that some geniuses have downvoted it ... rawurl needs to be handled this way. What others have mentioned is the default querystring.
james31rock
@GilliVilla, you are correct if you are looking to retrieve the parameter from RawUrl. Why would you though? If you have HttpContext.Current.Request, all you need to do is HttpContext.Current.Request.QueryString["yourparam"]. Your making your code unreadable. That's why people gave you a down vote. I did not give you a down vote, but I understand why it happend.
NickG
@james31rock In my case, because of URL rewriting. The visible URL in the browser and the RawUrl can be very different if you're using URL rewriting.
Daryl Teo
This was really helpful. Should note that since you only want the QueryString, just use string.Format("http: //a.com{0}", Request.RawURL). The scheme and hostname really doesn't matter.
No need to go through the RawUrl - the Request object already contains a parsed version, using the Request.QueryString property.
This is an indexed NameValueCollection.
2 Comments
NickG
He's specifically asking how to do this on the RawUrl. The RawUrl querystring and the Request.QueryString are not related in some situations, such as if you're doing URL rewriting. The very fact he's using RawUrl is a strong hint he's using URL rewriting.
Manfred
In the past I have also used
Request.Params (suggested by @Piotr ) which is fine in some cases. In other cases I have switched to Request.QueryString as suggested by @Oded . Request.QueryString doesn't trigger parameter validation, which you may want to avoid for example when you accept HTML as input.Try this:
string rawURL = HttpContext.Current.Request.ServerVariables["query_string"];
Comments
In .NET Core there are multiple ways to access HttpContext like IHttpContextAccessor.
https://learn.microsoft.com/en-us/aspnet/core/fundamentals/http-context?view=aspnetcore-5.0
When you have the Context you can simply use this method:
httpContext.Request.QueryString.Value
Usage:
URL: https://localhost:44335/test?key=123
var key = System.Web.HttpUtility.ParseQueryString(httpContext.Request.QueryString.Value).Get("key");
Comments
There is Params property on Request object that will let you do it easily. You don't have to parse it yourself.
Comments
This will solve your problem.....
string strReq = "";
strReq = HttpContext.Current.Request.RawUrl;
strReq = strReq.Substring(strReq.IndexOf('?') + 1);
