private string AddWebError(Exception e, string url) { string response = null; if (Errors != null && e != null) { StringBuilder sb = new StringBuilder(); sb.AppendLine("Message:"); sb.AppendLine(e.Message); if (!string.IsNullOrEmpty(url)) { sb.AppendLine(); sb.AppendLine("Request URL:"); sb.AppendLine(URLHelpers.RemoveQueryString(url)); } if (e is WebException webException) { try { HttpWebResponse webResponse = (HttpWebResponse)webException.Response; using (webResponse) { response = ProcessWebResponse(webResponse); if (!string.IsNullOrEmpty(response)) { sb.AppendLine(); sb.AppendLine("Response:"); sb.AppendLine(response); } } } catch (Exception nested) { DebugHelper.WriteException(nested, "AddWebError() WebException handler"); } } sb.AppendLine(); sb.AppendLine("Stack trace:"); sb.AppendLine(e.StackTrace); string errorText = sb.ToString().Trim(); Errors.Add(errorText); DebugHelper.WriteLine("Error:\r\n" + errorText); } return(response); }