public IEnumerable <Dtos.StudentVerifyResult> CheckAllStudents() { int[] classes = { 1, 2 }; List <Dtos.StudentVerifyResult> result = new List <Dtos.StudentVerifyResult>(); foreach (int c in classes) { BusinessLayer.Contracts.IStudentDao studentDao = new DataLayer.StudentDao(); foreach (var student in studentDao.GetStudentsToVerify(c)) { result.Add(new Dtos.StudentVerifyResult { Name = student.Name, Class = student.Class, Approved = student.Verify() }); } } return(result); }