float _all_colls_width = 0;
                                if (IsAdditionalCol)
                                {// adjust by Width last columns 
                                    for (int i=1; i<_cols_count; i++)
                                        {
                                            _all_colls_width =+ objTbl.Rows[_rows_count].Cells[i].Width;
                                        }//for
                                    colWidth = pdfPgPrintWitdh - _all_colls_width;
                                    objTbl.Rows[_rows_count].Cells[_cols_count].Width = colWidth;
                                    IsAdditionalCol = false;
                                }