public async Task <IActionResult> DeleteStudentForInstitute(Guid instituteId, Guid studentId)
        {
            if (!await _instituteRepository.InstituteExistsAsync(instituteId))
            {
                return(NotFound());
            }

            var studentEntity = await _instituteRepository.GetStudentAsync(instituteId, studentId);

            if (studentEntity == null)
            {
                return(NotFound());
            }
            _instituteRepository.DeleteStudent(studentEntity);

            await _instituteRepository.SaveAsync();

            return(NoContent());
        }