private List <ExamTest> GetListQuestion()
        {
            DataGridViewRow gridView = dgv_Results.SelectedRows[0];

            return(SqlRequestFunction.GetQuestionForTestExam(gridView.Cells[1].Value.ToString()
                                                             , gridView.Cells[3].Value.ToString()
                                                             , int.Parse(gridView.Cells[7].Value.ToString())));
        }