private void SetSectionTypeCombo()
 {
     DbTrans trans = new DbTrans();
     trans.CreateTransaction();
     QuestionnaireENG eng = new QuestionnaireENG();
     DataTable dt = eng.GetSectionTypeList(Convert.ToInt64(txtID.Text), trans);
     if (dt.Rows.Count > 0)
     {
         cmbSectionTypeID.SetItemList(dt, "section_type_name", "id");
     }
     trans.CommitTransaction();
 }