C#动态调用WebService

        /// < summary>          
        /// 动态调用web服务          
        /// < /summary>          
        /// < param name="url">WSDL服务地址< /param>          
        /// < param name="methodname">方法名< /param>          
        /// < param name="args">参数< /param>          
        /// < returns>< /returns>          
        public static object InvokeWebService(string url, string methodname, object[] args)          
        {              
            return WebServiceHelper.InvokeWebService(url, null, methodname, args);          
        }           
        /// < summary>          
        /// 动态调用web服务          
        /// < /summary>          
        /// < param name="url">WSDL服务地址< /param>          
        /// < param name="classname">类名< /param>          
        /// < param name="methodname">方法名< /param>          
        /// < param name="args">参数< /param>          
        /// < returns>< /returns>          
        public static object InvokeWebService(string url, string classname, string methodname, object[] args)          
        {              
            string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";              
            if ((classname == null) || (classname == ""))              
            {                 
                classname = WebServiceHelper.GetWsClassName(url);             
            }               
            try              
            {                  
                //获取WSDL                  
                WebClient wc = new WebClient();                  
                Stream stream = wc.OpenRead(url + "?WSDL");                  
                ServiceDescription sd = ServiceDescription.Read(stream);                  
                ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();                  
                sdi.AddServiceDescription(sd, "", "");                  
                CodeNamespace cn = new CodeNamespace(@namespace);                   
                //生成客户端代理类代码                  
                CodeCompileUnit ccu = new CodeCompileUnit();                  
                ccu.Namespaces.Add(cn);              
                sdi.Import(cn, ccu);                 
                CSharpCodeProvider icc = new CSharpCodeProvider();       
                //设定编译参数                
                CompilerParameters cplist = new CompilerParameters();           
                cplist.GenerateExecutable = false;             
                cplist.GenerateInMemory = true;                 
                cplist.ReferencedAssemblies.Add("System.dll");       
                cplist.ReferencedAssemblies.Add("System.XML.dll");            
                cplist.ReferencedAssemblies.Add("System.Web.Services.dll");       
                cplist.ReferencedAssemblies.Add("System.Data.dll");                 
                //编译代理类               
                CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);           
                if (true == cr.Errors.HasErrors)             
                {                      
                    System.Text.StringBuilder sb = new System.Text.StringBuilder();      
                    foreach (System.CodeDom.Compiler.CompilerError ce in cr.Errors)           
                    {                          
                        sb.Append(ce.ToString());                
                        sb.Append(System.Environment.NewLine);    
                    }                     
                    throw new Exception(sb.ToString()); 
                }                  
                //生成代理实例，并调用方法       
                System.Reflection.Assembly assembly = cr.CompiledAssembly;    
                Type t = assembly.GetType(@namespace + "." + classname, true, true);  
                object obj = Activator.CreateInstance(t);                
                System.Reflection.MethodInfo mi = t.GetMethod(methodname);       
                return mi.Invoke(obj, args);                 
                /*                 
                 * PropertyInfo propertyInfo = type.GetProperty(propertyname);         
                 * return propertyInfo.GetValue(obj, null);                 
                 * */             
            }              
            catch (Exception ex)             
            {                  
                throw new Exception(ex.InnerException.Message,
                    new Exception(ex.InnerException.StackTrace));              
            }          
        }           
        private static string GetWsClassName(string wsUrl)          
        {              
            string[] parts = wsUrl.Split('/');         
            string[] pps = parts[parts.Length - 1].Split('.');   
            return pps[0];          
        }