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How to add the "expire" header in wcf rest custom service behavior extension.

Posted By:      Posted Date: October 18, 2010    Points: 0   Category :WCF


I'm using WCF REST with custom service behavior extension. I'd like to add the "expired" header.

I tried this

object IClientMessageInspector . BeforeSendRequest (ref Message request , IClientChannel channel ) 
    var expireHeader = MessageHeader.CreateHeader 
            ( "Expire" ,"ns" , DateTime.Now.ToString
            ("ddd, dd MMM yyyy HH':'mm':'ss 'GMT' " ) , false ); 
    request.Headers.Add(expireHeader) ; 
    return null ; 

But then I get the following exception:
System.InvalidOperationException: Envelope Version 'EnvelopeNone
(http://schemas.microsoft.com/ws/2005/05/envelope/none)' does not support adding Message Headers.

Please help!


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