Inheritance: XBase
 public FxServerException(string message, XError error)
     : base(message)
 {
     errorServer = error;
     RequestData = String.Empty;
 }
 public FxServerException(string message, XError error, string requestData)
     : base(message)
 {
     errorServer = error;
     RequestData = requestData;
 }
 public FxServerException(XError error)
 {
     errorServer = error;
     RequestData = String.Empty;
 }