How to add “http://schemas.xmlsoap.org/ws/2004/08/addressing” namespace in the request header (to call web-method) in web-application code?

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C#

ASP.NET

WCF

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I have created a web-application and consuming a web-service to call some methods of the web-service. The web-service created by my own. While trying to call the method I am getting “Header http://schemas.xmlsoap.org/ws/2004/08/addressing:Action for ultimate recipient is required but not present in the message.” error message.

As per my understanding I have to add “http://schemas.xmlsoap.org/ws/2004/08/addressing” namespace at the header of my request. But I don’t have any idea how to add this in my code. There is one way to add this namespace using “XmlNamespaceManager” but I am not using this.

Request you to please help me on how to add the “http://schemas.xmlsoap.org/ws/2004/08/addressing” namespace in the Request header (to call web-method) in web-application code.

Thanks and Regards,
Nitin