private Data.ArtDatabankenService.FactorFieldList GetFactorFields()
 {
     if (_factorFields.IsNull())
     {
         _factorFields = Data.ArtDatabankenService.FactorManager.GetFactorDataType(1).Fields;
     }
     return(_factorFields);
 }
 public FactorFieldListTest()
 {
     _factorFields = null;
 }