private void BtnImport_Click(object sender, EventArgs e)
        {
            DatabaseHandler_Ctrl.Result result = new DatabaseHandler_Ctrl().ImportExcelFile(txbPath.Text);
            MessageBox.Show("Get " + result.GottenQuestions.Count + "Questions and Not Get" + result.NotGottenQuestion.Count + " Questions");

            //
            dbConnection dbCon = new dbConnection();

            if (dbCon.InsertQuestions(result.GottenQuestions) == 1)
            {
                MessageBox.Show("OK");
            }
            else
            {
                MessageBox.Show("Vai");
            }
        }