Clipper/FiveWin - Problemas con ntx

private void cfgApertura(ref Apollo.ApolloTable tblDBF, int Modo)

        {

            tblDBF.DatabaseName = par.Carpeta;

            tblDBF.SetDeleted(par.SetDeleted);

            tblDBF.SetCentury(par.SetCentury);

            tblDBF.AccessMethod = Apollo.ApolloAccessMethod.Local;

            tblDBF.TableType = Apollo.ApolloTableType.Ntx;

            tblDBF.SetCentury(true);

            // Modo de Apertura

            if (Modo==0)

            {

                tblDBF.OpenMode = Apollo.ApolloOpenMode.Exclusive;

            }

            else if (Modo==1)

            {

                tblDBF.OpenMode = Apollo.ApolloOpenMode.ReadWrite;

            }

            else

            {

                tblDBF.OpenMode = Apollo.ApolloOpenMode.ReadOnly;

            }

        }

 public string contarBoletas(ref int maximo, ref string carpeta,string fecha,string termino)

        {

            Apollo.ApolloTable tabla = new Apollo.ApolloTable();

            DbfPar para = new DbfPar();

            DbfOpen dbf = new DbfOpen();

            try

            {

                para.Carpeta = carpeta;

                para.SetDeleted = true;

                para.SetCentury = true;

                MBoleta(ref tabla, 2);

                tabla.SetOrder(2);

                tabla.SetSoftSeek(true);

                tabla.Seek(fecha);

                tabla.SetSoftSeek(false);

                while (tabla.EOF() == false && tabla.GetString("Fech_bole") != "01/11/2013")

                {

                    maximo++;

                    tabla.Skip();

                }

                tabla.Close();

                return "Conto !!";

            }

            catch(Exception ee)

            {

                return ee.Message + "";

            }

        }