public async Task <IHttpActionResult> Edit(EnrollmentRequestDTO enrollmentDTO, int id)//se devuelve un modelo
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (enrollmentDTO.EnrollmentID != id)
            {
                return(BadRequest());
            }
            var flag = await enrollmentService.GetById(id);

            if (flag == null)
            {
                return(NotFound());
            }

            try
            {
                var enrollment = _mapper.Map <Enrollment>(enrollmentDTO);
                enrollment = await enrollmentService.Update(enrollment);

                return(Ok(enrollment));
            }
            catch (Exception ex)
            {
                return(InternalServerError(ex));
            }
        }
        public async Task <IHttpActionResult> Insert(EnrollmentRequestDTO enrollmentDTO)//se devuelve un modelo
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            try
            {
                var enrollment = _mapper.Map <Enrollment>(enrollmentDTO);
                enrollment = await enrollmentService.Insert(enrollment);

                return(Ok(enrollment));
            }
            catch (Exception ex)
            {
                return(InternalServerError(ex));
            }
        }