Summary This article will demonstrate how to access asyncronously from C# an web method that return an Xml document

Additional information

void MyFunction() { //create a new instance of web service object Salutis sal = new Salutis(); // cb is essentially a function pointer to MyServiceCallback function. AsyncCallback cb = new AsyncCallback(MyServiceCallback); // Call the Begin method of the proxy class to initiate the // asynchronous call to the XML Web service method. // the web method accessed is GetXML() //and return an XML Document sal.BeginGetXML( cb, sal); // do something until callback is completed label4.Text = "Processing.."; } public void MyServiceCallback(IAsyncResult ar) { // Retrieve the original state for the proxy. Salutis xt = (Salutis)ar.AsyncState; // Retrieve results by calling the End method of the proxy class System.Xml.XmlNode xn = xt.EndGetXML(ar); // do something with the content of xml document label4.Text = xn.OuterXml; }