protected void Button1_Click(object sender, EventArgs e) { //ServiceReference1. webService = new WebService(); string FileName = "C:\\Users\\Jimmy\\source\\repos\\WebApplication2\\WebApplication1\\XMLDataTest.XML"; string dataXML = System.IO.File.ReadAllText(FileName); XDocument x = XDocument.Load(FileName); WebService1 ws = new WebService1(); int i = ws.ParseXML(x); //webService. }