private void BtnInsertToPacClick(object sender, EventArgs e)
 {
     Sybase.Data.AseClient.AseConnection conn = new Sybase.Data.AseClient.AseConnection(connectionString);
     Sybase.Data.AseClient.AseTransaction transaction= null;
     try {
         conn.Open();
         transaction = conn.BeginTransaction();
         InsertPacReferences(ref conn, transaction);
         transaction.Commit();
         CommonUtils.ShowInformation("Insert into QA_PAC_REFERENCES_INT is complete, logical TE is ["+txtTELogical.Text+"]",false);
     } catch (Exception ex) {
         if (transaction != null) {
             transaction.Rollback();
         }
         CommonUtils.ShowError(ex.Message,ex);
     } finally {
         conn.Close();
     }
 }