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public new string Url { set; get; }

using System.IO;

using System.Web.Services.Description;

using Microsoft.CSharp;

using System.CodeDom.Compiler;

using System.CodeDom;

/// <summary>  

        /// 動態呼叫WebService  

        /// </summary>  

        /// <param name="url">WebService地址</param>  

        /// <param name="classname">類名</param>  

        /// <param name="methodname">方法名(模組名)</param>  

        /// <param name="args">引數列表</param>  

        /// <returns>object</returns>  

        public static object InvokeWebService(string url, string classname, string methodname, object[] args) 

        { 

            string @namespace = "ServiceBase.WebService.DynamicWebLoad"; 

            if (classname == null || classname == "") 

            { 

                classname = WebServiceHelper.GetClassName(url); 

            } 

            //獲取服務描述語言(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); 

            //生成客戶端代理類程式碼  

            CodeCompileUnit ccu = new CodeCompileUnit(); 

            ccu.Namespaces.Add(cn); 

            sdi.Import(cn, ccu); 

            CSharpCodeProvider csc = new CSharpCodeProvider(); 

            ICodeCompiler icc = csc.CreateCompiler(); 

            //設定編譯器的引數  

            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"); 

            //編譯代理類  

            CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu); 

            if (true == cr.Errors.HasErrors) 

            { 

                System.Text.StringBuilder sb = new StringBuilder(); 

                foreach (CompilerError ce in cr.Errors) 

                { 

                    sb.Append(ce.ToString()); 

                    sb.Append(System.Environment.NewLine); 

                } 

                throw new Exception(sb.ToString()); 

            } 

            //生成代理例項,並呼叫方法  

            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); 

        } 

        private static string GetClassName(string url) 

        { 

            string[] parts = url.Split('/'); 

            string[] pps = parts[parts.Length - 1].Split('.'); 

            return pps[0]; 

        }