private void CheckRadioButtons(ExcelFile Workbook, int ActiveSheet, int i, TCellAddress LinkedCell) { int Sheet = ActiveSheet + 1; if (!string.IsNullOrEmpty(LinkedCell.Sheet)) { Sheet = Workbook.GetSheetIndex(LinkedCell.Sheet, false); } if (Sheet > 0) { int XF = 1; object r = Workbook.GetCellValue(Sheet, LinkedCell.Row, LinkedCell.Col, ref XF); if (r == null) { CheckGroup(i, 0); return; } if (r is TFlxFormulaErrorValue) { if ((TFlxFormulaErrorValue)r == TFlxFormulaErrorValue.ErrNA) { CheckGroup(i, 0); return; } //if it isn't n/a, its value doesn't matter. rb stays as is. } else { double pd; if (TBaseParsedToken.ExtToDouble(r, out pd)) //something like a string doesn't matter { if (pd <= 0 || pd >= int.MaxValue) { CheckGroup(i, 0); return; } // in this case it does matter, all cbs are unselected. int p = (int)pd; CheckGroup(i, p); } } } }