C# 如何动态创建asmx
  public static object InvokeWebService(string url, string classname)
        {
            string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
            if ((classname == null) || (classname == ""))
            {
                classname = WebService.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");