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How to add headers in a WF service client and how to get Headers value in WF service

By , 10 Apr 2012
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For adding headers in a client application, add a service reference in the client application.

And write the following code for adding headers:

using (WFServiceRef.ServiceClientproxy = new WFServiceRef.ServiceClient())
    using (newSystem.ServiceModel.OperationContextScope(proxy.InnerChannel))
        MessageHeader<string> mess = newMessageHeader<string>(
        //Assigning Name and NameSpace to the message header value at client side
        System.ServiceModel.Channels.MessageHeader header = mess.GetUntypedHeader("UserID", "ns");
        //Adding message header with OperationContext which will be received at the server side
        varx = proxy.GetData(2);

And in the WF service, we will create a class and call the function of the class in the WF service using InvokeMethod.

And the class will look like this:

using System.Web;
using System.ServiceModel;
using System.ServiceModel.Channels;
namespace WFSERVICE
    public class TestClass
        public void SomeMethod()
            EndpointAddress clientAddress = OperationContext.Current.Channel.RemoteAddress;
            MessageHeaders headers = OperationContext.Current.RequestContext.RequestMessage.Headers;
            var userID = OperationContext.Current.IncomingMessageHeaders.GetHeader<string>("UserID","ns");

And the workflow will look like this:


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Anuj Banka
Software Developer
India India
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