call wcf service(with post method) using httpwebrequest?
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I have write one wcf service in c#.It works if we added it with service reference,but i want to call .wcf service using httpWebRequest it gives error 

The remote server returned an error: (415) Cannot process the message because the content type application/x-www-form-urlencoded' was not the expected type 'text/xml; charset=utf-8'

   
   