CapDemo.BL.QuestionBL.EditIDCatalogueQuestionByIDQuestion C# (CSharp) Méthode

        public bool EditIDCatalogueQuestionByIDQuestion(Question Question)
        {
            string query = "UPDATE Question"
                         + " SET Catalogue_ID ='" + Question.IDCatalogue + "'"
                         + " WHERE Question_ID = '" + Question.IDQuestion + "'";
            return DA.UpdateDatabase(query);
        }

 public void MoveQuestion()
 {
     Question question = new Question();
     Answer answer = new Answer();
     QuestionBL questionBL = new QuestionBL();
     foreach (DataGridViewRow row in dgv_Question.Rows)
     {
         if (row.Cells["Check"].Value != null && (bool)row.Cells["Check"].Value == true)
         {
             question.IDCatalogue = IDCat;
             question.IDQuestion = Convert.ToInt32(row.Cells["IDQuestion"].Value);
             questionBL.EditIDCatalogueAnswerByIDQuestion(question);
             questionBL.EditIDCatalogueQuestionByIDQuestion(question);
             ////add question
             //question.QuestionTitle = row.Cells["QuestionTitle"].Value.ToString();
             //question.NameQuestion = row.Cells["QuestionName"].Value.ToString();
             //question.TypeQuestion = row.Cells["QuestionType"].Value.ToString();
             //question.IDCatalogue = IDCat;
             //question.Date = DateTime.Now;
             //if (questionBL.AddQuestion(question))
             //{
             //    //add answer
             //    question.IDQuestion = Convert.ToInt32(row.Cells["IDQuestion"].Value);
             //    List<DO.Answer> AnswerList;
             //    AnswerList = questionBL.GetAnswerByQuestionID(question);
             //    if (AnswerList != null)
             //    {
             //        for (int i = 0; i < AnswerList.Count; i++)
             //        {
             //            answer.ContentAnswer = AnswerList.ElementAt(i).ContentAnswer;
             //            if (AnswerList.ElementAt(i).IsCorrect == true)
             //            {
             //                answer.Check = 1;
             //            }
             //            else
             //            {
             //                answer.Check = 0;
             //            }
             //            answer.IDQuestion = questionBL.MaxIDQuestion();
             //            answer.IDCatalogue = IDCat;
             //            questionBL.AddAnswer(answer);
             //        }
             //    }
             //    //Delete answer and question
             //    questionBL.DeleteAnswerByIDQuestion(question);
             //    questionBL.DeleteQuestionByID(question);
             //}
         }
     }
 }