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copied!<p>I have found such piece of code at "<a href="http://blogs.msdn.com/kaevans/archive/2006/04/27/585013.aspx" rel="nofollow noreferrer">Dynamically Invoking a Web Service</a>" on <a href="http://blogs.msdn.com/kaevans/default.aspx" rel="nofollow noreferrer">Kirk Evans Blog</a>. Hope will help someone...</p> <hr> <p>(the original code needed some work. This should be equivalent)</p> <pre><code>using System; using System.CodeDom; using System.CodeDom.Compiler; using System.Diagnostics; using System.Net; using System.Security.Permissions; using System.Web.Services.Description; using System.Xml.Serialization; namespace ConnectionLib { internal class WsProxy { [SecurityPermission(SecurityAction.Demand, Unrestricted = true)] internal static object CallWebService( string webServiceAsmxUrl, string serviceName, string methodName, object[] args) { var description = ReadServiceDescription(webServiceAsmxUrl); var compileUnit = CreateProxyCodeDom(description); if (compileUnit == null) { return null; } var results = CompileProxyCode(compileUnit); // Finally, Invoke the web service method var wsvcClass = results.CompiledAssembly.CreateInstance(serviceName); var mi = wsvcClass.GetType().GetMethod(methodName); return mi.Invoke(wsvcClass, args); } private static ServiceDescription ReadServiceDescription(string webServiceAsmxUrl) { using (var client = new WebClient()) { using (var stream = client.OpenRead(webServiceAsmxUrl + "?wsdl")) { return ServiceDescription.Read(stream); } } } private static CodeCompileUnit CreateProxyCodeDom(ServiceDescription description) { var importer = new ServiceDescriptionImporter { ProtocolName = "Soap12", Style = ServiceDescriptionImportStyle.Client, CodeGenerationOptions = CodeGenerationOptions.GenerateProperties }; importer.AddServiceDescription(description, null, null); // Initialize a Code-DOM tree into which we will import the service. var nmspace = new CodeNamespace(); var compileUnit = new CodeCompileUnit(); compileUnit.Namespaces.Add(nmspace); // Import the service into the Code-DOM tree. This creates proxy code // that uses the service. var warning = importer.Import(nmspace, compileUnit); return warning != 0 ? null : compileUnit; } private static CompilerResults CompileProxyCode(CodeCompileUnit compileUnit) { CompilerResults results; using (var provider = CodeDomProvider.CreateProvider("CSharp")) { var assemblyReferences = new[] { "System.dll", "System.Web.Services.dll", "System.Web.dll", "System.Xml.dll", "System.Data.dll" }; var parms = new CompilerParameters(assemblyReferences); results = provider.CompileAssemblyFromDom(parms, compileUnit); } // Check For Errors if (results.Errors.Count == 0) { return results; } foreach (CompilerError oops in results.Errors) { Debug.WriteLine("========Compiler error============"); Debug.WriteLine(oops.ErrorText); } throw new Exception( "Compile Error Occurred calling webservice. Check Debug output window."); } } } </code></pre>

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