private void GivingRulesFor(string propertyName, out ITagableRule minAttribute, out ITagableRule maxAttribute)
{
IClassValidator cv = new ClassValidator(typeof(Entity));
IEnumerable <Attribute> ma = cv.GetMemberConstraints(propertyName);
minAttribute = (ITagableRule)ma.First(a => a.TypeId == minTypeId);
maxAttribute = (ITagableRule)ma.First(a => a.TypeId == maxTypeId);
}
