public override object GetNewPropValue(ExpectUpdate attr, object obj, PropertyInfo prop)
        {
            object newValue = null;

            if (prop.PropertyType == typeof(int?) ||
                prop.PropertyType == typeof(int?))
            {
                newValue = Convert.ToInt32(RndService.Byte().ToString());
            }
            else
            {
                // TODO, as per case
                newValue = RndService.Byte();
            }

            return(newValue);
        }