Webclient causing an invalid operation exception

Question

I'm trying to download a simple xml file and save it to the users local profile. When trying to download (i don't think this has anything to do with the saving location but i'm not 100% sure) i get the following exception on the webclient.

System.InvalidOperationException

My code is as follows;

public void downloadProxy()  {
            string url = Properties.Settings.Default.url;
            string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "/netsettings/proxies.xml");

        try
        {               
            WebClient GrabFile = new WebClient(); 
            GrabFile.DownloadFile(url, path);   
        }
        catch (WebException webEx)
        {
            if (webEx.Status == WebExceptionStatus.ConnectFailure)
            {
                Console.WriteLine("Are you behind a firewall?  If so, go through the proxy server.");
            }
        }

    }

Answer 1

如果您使用的是Windows操作系统，请使用反斜杠（而不是斜杠）作为文件夹分隔符：

\netsettings\proxies.xml