public StudentManagementApiContext Get()
        {
            //return _studentApiContext ?? (_studentApiContext = new StudentManagementApiContext());

            if (_studentApiContext != null)
            {
                return(_studentApiContext);
            }
            else
            {
                _studentApiContext = new StudentManagementApiContext();
                return(_studentApiContext);
            }

            //_dbContext = new ModelContext();

            //return _dbContext;
        }
        public override void Up()
        {
            StudentManagementApiContext context = new StudentManagementApiContext();
            var grades = new List <Grades> {
                new Grades {
                    GradeId = 1, Grade = "AAA", CreatedOn = DateTime.Now, ModifiedOn = DateTime.Now
                },
                new Grades {
                    GradeId = 1, Grade = "BBB", CreatedOn = DateTime.Now, ModifiedOn = DateTime.Now
                },
                new Grades {
                    GradeId = 1, Grade = "CCC", CreatedOn = DateTime.Now, ModifiedOn = DateTime.Now
                },
                new Grades {
                    GradeId = 1, Grade = "DDD", CreatedOn = DateTime.Now, ModifiedOn = DateTime.Now
                }
            };

            grades.ForEach(s => context.Grades.Add(s));
            context.SaveChanges();
        }