public DeleteStudent DeleteStudent(DeleteStudent obj)
        {
            var returnModel           = new DeleteStudent();
            var Student               = _studentsRepo.Get(obj.StudentId);
            var studentsList          = _studentsRepo.GetAll().ToList();
            var StudentPromotionsList = _StudentPromotionsRepo.GetAll().ToList();
            var query = (from p in StudentPromotionsList
                         where p.StudentId == obj.StudentId
                         select p);

            foreach (var item in query)
            {
                var StudentPromotion = _StudentPromotionsRepo.Get(item.Id);
                if (StudentPromotion != null)
                {
                    _StudentPromotionsRepo.Delete(StudentPromotion);
                    returnModel.Message = "Delete Successful.";
                }
            }
            if (Student != null)
            {
                _studentsRepo.Delete(Student);
                if (Student.IP300X200 != null)
                {
                    string DelImgofIP300X200 = Path.Combine(obj.WebRootPath, Student.IP300X200);
                    _commonServ.DelFileFromLocation(DelImgofIP300X200);
                }
                returnModel.Message = "Delete Successful.";
            }
            return(returnModel);
        }
        public DeleteStudentPromotion DeleteStudentPromotion(DeleteStudentPromotion obj)
        {
            var returnModel       = new DeleteStudentPromotion();
            var StudentPromotions = _StudentPromotionsRepo.Get(obj.StudentPromotionsId);

            if (StudentPromotions != null)
            {
                _StudentPromotionsRepo.Delete(StudentPromotions);
            }
            return(returnModel);
        }