public string EFAction()
        {
            //GIT tets 13:155


            string retunString = "";

            var stx = new EFStudentRepository();

            var sts = stx.Students.Where(x => x.Address != null);

            foreach (var s in sts)
            {
                retunString += s.StudentName + " ";


                // return View(repo.Students);
            }
            return(retunString);
        }