1[WebService(Namespace = "http://tempuri.org/")]
 2[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
 3public class Service : System.Web.Services.WebService
 4{
 5    public MySoapHeader myHeader;
 6
 7    public Service () {
 8    }
 9
10    [WebMethod]
11    public string HelloWorld() {
12        return "Hello World";
13    }
14
15    [WebMethod, SoapHeader("myHeader")]
16    public string GetInfo(string userName)
17    {
18        return string.Format("Hello, {0}", userName);
19    }
20}

 1        public override void ProcessMessage(SoapMessage message)
 2        {
 3            switch (message.Stage)
 4            {
 5                case SoapMessageStage.AfterDeserialize:
 6                    break;
 7                case SoapMessageStage.AfterSerialize:
 8                    break;
 9                case SoapMessageStage.BeforeDeserialize:
10                    Check(message);
11                    break;
12                case SoapMessageStage.BeforeSerialize:
13                    break;
14                default:
15                    break;
16            }
17        }
18
19        private void Check(SoapMessage message)
20        {
21            if (message is SoapServerMessage)
22            {
23                MemoryStream ms = new MemoryStream();
24                System.IO.StreamWriter sw = new StreamWriter(ms);
25                StreamReader sr = new StreamReader(message.Stream);
26                char[] buffer = new char[(int)message.Stream.Length];
27                sr.Read(buffer, 0, (int)message.Stream.Length);
28
29                sw.Write(buffer, 0, buffer.Length);
30                sw.Flush();
31                message.Stream.Position = 0;
32                string sb = System.Text.Encoding.ASCII.GetString(ms.ToArray());
33
34                Debug.WriteLine(sb);
35
36                XDocument doc = XDocument.Parse(sb);
37                XNamespace name = "urn:com-appleseeker";
38                XNamespace soapheader = "http://schemas.xmlsoap.org/soap/envelope/";
39                MySoapHeader header = new MySoapHeader();
40
41                if (doc.Descendants(soapheader + "Header").Descendants().Elements(name + "userid").First() == null)
42                {
43                    throw new Exception("");
44                }
45                header.userid = doc.Descendants(soapheader + "Header").Descendants().Elements(name + "userid").First().Value;
46
47                string[] temp = message.Action.ToString().Split('/');
48                string methodName = temp[temp.Length - 1];
49
50                if (header.userid == "0345")
51                {
52                }
53                else
54                {
55                    throw new Exception("No Access");
56                }
57            }
58        }

 1        public override void ProcessMessage(SoapMessage message)
 2        {
 3            switch (message.Stage)
 4            {
 5                case SoapMessageStage.AfterDeserialize:
 6                    break;
 7                case SoapMessageStage.AfterSerialize:
 8                    break;
 9                case SoapMessageStage.BeforeDeserialize:
10                    break;
11                case SoapMessageStage.BeforeSerialize:
12                    message.Headers.Add(new MySoapHeader() { userid = "0345" });
13                    break;
14                default:
15                    break;
16            }
17        }

1    [XmlRoot("MyHeader", Namespace = "urn:com-appleseeker")]
2    public class MySoapHeader: SoapHeader
3    {
4        public string userid;
5        public string username;
6        public string department;
7    }

1<webServices>
2    <soapExtensionTypes>
3        <add type="ExtensionLib.MyServerSoapExtension, ExtensionLib"/>
4    </soapExtensionTypes>
5</webServices>

1private void menuItem1_Click(object sender, EventArgs e)
2{
3     localhost.Service service = new SmartDeviceProject1.localhost.Service();
4     service.Url = service.Url.Replace("localhost", "192.168.0.157");
5     localhost.MySoapHeader myHeader = new SmartDeviceProject1.localhost.MySoapHeader();
6     myHeader.userid = "0345";
7     service.MyHeader = myHeader;
8     MessageBox.Show(service.GetInfo("Gordon"));
9}