private bool CheckPersonBProject(string _p)
        {
            if (_p.Length == 0)
            {
                return(false);
            }

            //Person p = new Person(_p);
            var p = ParentPage.GetObjectById(typeof(PersonOld), _p) as PersonOld;

            if (p == null || p.Unavailable)
            {
                return(false);
            }
            if (p.BusinessProjectID <= 0)
            {
                return(false);
            }

            return(true);
        }