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POUsing Task.wait() application hangs and never returns
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  1. POUsing Task.wait() application hangs and never returns
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    copied!<p>I am new to C# and using <code>Task</code>. I was trying to run this application but my application hangs every time. When I am adding <code>task.wait()</code>, it keeps waiting and never returns. Any help is much appreciated. EDIT: I want to call DownloadString Asynchronously. And when I am doing task.Start() as suggested by "Austin Salonen" I don't get the address of location but default value in location string from returnVal. It means that location got value assigned before task got completed. How can I make sure that after task is completed only then location gets assigned returnVal. </p> <pre><code>public class ReverseGeoCoding { static string baseUri = "http://maps.googleapis.com/maps/api/geocode/xml?latlng={0},{1}&amp;sensor=false"; string location = "default"; static string returnVal = "defaultRet"; string latitude = "51.962146"; string longitude = "7.602304"; public string getLocation() { Task task = new Task(() =&gt; RetrieveFormatedAddress(latitude, longitude)); //var result = Task.Factory.StartNew(RetrieveFormatedAddress("51.962146", "7.602304")); task.Wait(); //RetrieveFormatedAddress("51.962146", "7.602304"); location = returnVal; return location; } public static void RetrieveFormatedAddress(string lat, string lng) { string requestUri = string.Format(baseUri, lat, lng); using (WebClient wc = new WebClient()) { wc.DownloadStringCompleted += new DownloadStringCompletedEventHandler(wc_DownloadStringCompleted); wc.DownloadStringAsync(new Uri(requestUri)); } } static void wc_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e) { var xmlElm = XElement.Parse(e.Result); var status = (from elm in xmlElm.Descendants() where elm.Name == "status" select elm).FirstOrDefault(); if (status.Value.ToLower() == "ok") { var res = (from elm in xmlElm.Descendants() where elm.Name == "formatted_address" select elm).FirstOrDefault(); //Console.WriteLine(res.Value); returnVal = res.Value; } else { returnVal = "No Address Found"; //Console.WriteLine("No Address Found"); } } } </code></pre>
 

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