public List <problem_image> GetAllProblemImageByProblemId(int problemId)
{
return(ProblemImageRepository.FindBy(p => p.problem_id == problemId).ToList());
}
public void DeleteProblemImage(int id)
{
ProblemImageRepository.Delete(id);
}
public void SaveListProblemImage(List <problem_image> listImage)
{
ProblemImageRepository.SaveList(listImage);
}