Getting webservice methods from Soap Client using reflection

I'm trying to get a MethodInfo colle开发者_StackOverflow中文版ction from a SOAPClient object that contains only the methods of the webservice itself. Here is what I'm currently doing. At the moment it returns all the methods of the MyServiceSoapClient.

MyServiceSoapClient myService = new MyServiceSoapClient();
MethodInfo[] methods = myService.GetType().GetMethods();            

The GetMethods() method supports bindingflags that you can use to more specifically select the methods you want it to return. Have a look here:

http://msdn.microsoft.com/en-us/library/4d848zkb.aspx

Also, you could use some linq to further specify what you are after:

MethodInfo[] methods = myService.GetType().GetMethods();
MethodInfo[] methodsOfWebservice = methods.Where(m => m.whatever == whatever && m.anothercondition == true); // etc.

The last option you have is to add an Attribute to every method you want it to return and then test for the presence of the Attribute. Have a look here:

http://www.codeproject.com/KB/cs/attributes.aspx

Update 2011-01-18

I've looked at Microsoft KnowledgeBase and found that the [WebMethod] is an attribute. http://support.microsoft.com/kb/308359 and http://msdn.microsoft.com/en-us/library/28a537td.aspx. When getting all methods you could test for the presence of this attribute to decide whether the method is a WebMethod or not.

List<MethodInfo> methodsOfWebservice = new List<MethodInfo>();
MethodInfo[] methods = myService.GetType().GetMethods();
foreach(MethodInfo method in methods)
{
  foreach (Attribute attribute in method.GetCustomAttributes(true))
  {
    if (attribute is WebMethodAttribute)
      methodsOfWebservice.Add(method);
  }
}

Update 2011-01-20

I just tested the following code and it does in fact give me the the WebMethodAttribute in the attribute variable:

Type type = obj.GetType();
var method = type.GetMethod("methodname");
var attribute = method.GetCustomAttributes(typeof(WebMethodAttribute), true);

I'm sure you should be able to do the same with your code and test for the presence of the WebMethodAttribute

Here is my method with XML parsing:

First I download the XML from the WSDL:

private string GetPageSource(string url)
    {
        string htmlSource = string.Empty;
        try
        {
            WebProxy myProxy = new WebProxy("ProxyAdress", 8080);
            using (WebClient client = new WebClient())
            {
                client.Proxy = myProxy;
                client.Proxy.Credentials = new NetworkCredential("Username", "Password");
                htmlSource = client.DownloadString(url);
            }
        }
        catch (WebException ex)
        {
            // log any exceptions
        }
        return htmlSource;
    }

Then I am parsing the XML to the node where the methods for the SOAP-Client are and adding them to a generic list of strings:

_strXmlFromUrl = GetPageSource(_strWebserviceUrl); // My TestUrl: http://www.webservicex.net/globalweather.asmx?WSDL
XmlDocument xmlDoc = new XmlDocument();
XmlNamespaceManager nmspManager = new XmlNamespaceManager(xmlDoc.NameTable);
nmspManager.AddNamespace("wsdl", "http://schemas.xmlsoap.org/wsdl/");
xmlDoc.LoadXml(_strXmlFromUrl);
XmlNodeList methodNodes = xmlDoc.SelectNodes("//wsdl:portType/wsdl:operation[@name]", nmspManager);
List<string> lstMehtodNames = new List<string>();
for (int i = 0; i < methodNodes.Count; i++)
{
    lstMehtodNames.Add(String.Concat(methodNodes[i].ParentNode.Attributes["name"].Value,": " ,methodNodes[i].Attributes[0].Value));
}

Have fun with it.

Taragneti