public static bool HasValue<T, TP>(T value, Expression<Func<T,TP>> property) {
            try {

                var memberExpression = (MemberExpression)property.Body;
                var prop = (PropertyInfo)memberExpression.Member;

                //Attempt to resolve
                var val = prop.GetValue(value);

                return val != null;
            }
            catch { 
                return false; 
            }
        }