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Wednesday, 16 March 2011

WCF REST: How to get a Request header

Again WCF REST is proving secretive when it comes to getting at your Request Headers.

You can get at any custom Request headers that you may be expecting via the IncomingMessageProperties off of the OperationContext in the same way as before when you were adding custom Headers to your response.

To do this you you can write something like this:
var request = OperationContext.Current.IncomingMessageProperties[HttpRequestMessageProperty.Name] as HttpRequestMessageProperty;
var version = request.Headers["ApiVersion"];

Update:

Actually, there is an easier way I found. Since this is in a REST service it is possible to use WebOperationContext which seems a lot more intuitive and concise:
var version = WebOperationContext.Current.IncomingRequest.Headers["ApiVersion"];

You will then have access to any expected Request Headers as a string.

More WCF REST:

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Posted by Colin Farr at Wednesday, March 16, 2011 Labels: ,

7 comments:

  1. Gary Parkin18 March 2013 at 14:19

    You rock!
    For others trying this same thing, sending information from an asp.net program is as easy as adding a .Add:
    wc.Encoding = System.Text.Encoding.UTF8;
    wc.Headers["User-Agent"] = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET4.0C; .NET4.0E)";
    wc.Headers["Content-Type"] = "application/json";
    wc.Headers.Add("myCustomHeader", "Custom Value");
    dynamic a = wc.UploadString(new Uri(url), data);

    On the server side:
    string glub = System.ServiceModel.Web.WebOperationContext.Current.IncomingRequest.Headers["myCustomHeader"];

    Thank you so much!

    ReplyDelete
    Replies
    1. Kale Co Jakim22 January 2018 at 05:47

      Hi, Great.. Tutorial is just awesome..It is really helpful for a newbie like me.. I am a regular follower of your blog. Really very informative post you shared here. Kindly keep blogging. If anyone wants to become a .Net developer learn from .Net Core Training in Chennai. or learn thru .Net Core Training in Chennai. Nowadays Dot Net has tons of job opportunities on various vertical industry.
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      Delete
  2. Francisco Correa10 May 2013 at 20:59

    Thank you, it was very useful to me

    ReplyDelete
  3. EasyITZone15 July 2015 at 10:54

    Thank you so much! !..

    ReplyDelete
  4. Unknown18 November 2015 at 10:33

    Thank you for your help

    ReplyDelete
  5. Sébastien Sougnez3 February 2017 at 12:23

    Thanks

    ReplyDelete
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