HttpWebRequest req = null;
HttpWebResponse resp = null;
string baseaddress = "http://deveqtradedb.lazard.com/API.aspx?action=export&entity=global";
req = (HttpWebRequest)WebRequest.Create(baseaddress);
req.Method = "POST";
req.ContentType = "text/xml; encoding = UTF-8";
resp = req.GetResponse() as HttpWebResponse;
solved How to call a service from console Application in c#