public async Task <IHttpActionResult> Delete(int id)//se devuelve un DTO
        {
            var flag = await enrollmentService.GetById(id);

            if (flag == null)
            {
                return(NotFound());
            }
            try
            {
                await enrollmentService.Delete(id);

                return(Ok());
            }
            catch (Exception ex)
            {
                return(InternalServerError(ex));
            }
        }
        public async Task <IHttpActionResult> Delete(int id)
        {
            var flag = await enrollmentService.GetById(id);

            if (flag == null)
            {
                return(NotFound());//status code 404
            }
            try
            {
                await enrollmentService.Delete(id);

                return(Ok());//status code 200
            }
            catch (Exception ex)
            {
                return(InternalServerError(ex));//status code 500
            }
        }
        public async Task <IHttpActionResult> Delete(int id)
        {
            var flag = await enrollmentService.GetById(id);

            if (flag == null)
            {
                return(NotFound()); // status code 404
            }
            try
            {
                //if (!await courseService.DeleteCheckOnEntity(id))
                await enrollmentService.Delete(id);

                //else
                // throw new Exception("ForengKeys");

                return(Ok()); //Sastus code 200
            }
            catch (Exception ex)
            {
                return(InternalServerError(ex)); //Status code 500
            }
        }