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How to send SOAP request to WCF service?

Can someone point me to an example how to send a SOAP WCF Request Serve and return a SOAP response? Typically, the Travel client sends a SOAP request with the search parameters and WCF Service in the database, and then sends the appropriate holidays.

I continue to get this error using the method I used: "The remote server returned an error: (400)" Bad request "

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You received an error because the server does not understand the HTTP request. This may be the binding you configured, or the service proxy is incorrect at the client level.

, , HTTP GET, HTTP POST. HTTP- [WebGet] . , [WebGet] .

+1

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, , WCF IIS. , .svc ISAPI ASP.NET.

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SoapUI WcfTestClient, Visual Studio (C:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE).

WCF / SOAP.

, svcutil.exe:

svcutil.exe  (service URL)

*.cs *.config, .

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, . , WCF , .

, HTTP- WCF. .

HTTP-, , HTTP-, - " : (400)

, :

        // Get the response. 
        HttpWebResponse response = request.GetResponse() as HttpWebResponse;

:

 private void CreateMessage()
    {
        // Create a request using a URL that can receive a post. 
        WebRequest request = WebRequest.Create("http://www.XXXX.com/Feeds");
        string postData = "<airport>Heathrow</airport>";

//           request.Method = "POST";

        byte[] byteArray = Encoding.UTF8.GetBytes(postData);
        request.ContentType = "application/soap+xml; charset=utf-8";
        request.ContentLength = byteArray.Length;

        Stream dataStream = request.GetRequestStream();
        dataStream.Write(byteArray, 0, byteArray.Length);
        dataStream.Close();

        // Get the response. 
        HttpWebResponse response = request.GetResponse() as HttpWebResponse;

        // Display the status. 
        HttpContext.Current.Response.Write(((HttpWebResponse)response).StatusDescription);

        // Get the stream containing content returned by the server. 
        dataStream = response.GetResponseStream();

        // Open the stream using a StreamReader for easy access. 
        StreamReader reader = new StreamReader(dataStream);

        // Read the content. 
        string responseFromServer = reader.ReadToEnd();

        // Display the content. 
        HttpContext.Current.Response.Write(responseFromServer);

        // Clean up the streams. 
        reader.Close();
        dataStream.Close();
        response.Close(); 

    }

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