private void UpdateDate(string fieldName, DateTime? time)
        {
            if (time.HasValue && time.Value.Year == DateTime.MaxValue.Year)
             {
            var currentValue = typeof (Building).GetProperty(fieldName).GetValue(Building, null);
            if (currentValue is DateTime)
            {
               if (((DateTime)currentValue).Year == DateTime.MaxValue.Year)
               {
                  time = null;
               }
            }
             }

             typeof(Building).GetProperty(fieldName).SetValue(Building, time, null);
             var dbBuilding = new DbBuilding(Settings.Current.Building.BuilderConnectionString);
             dbBuilding.SetFieldTo(Building.Id.Value, fieldName, time);
        }