set the cells type ( numeric , formula or string )
1720. BoundSheetRecord retval = new BoundSheetRecord();
1725. retval.setPositionOfBof(0x0); // should be set later
1726. retval.setOptionFlags(( short ) 0);
1727. retval.setSheetnameLength(( byte ) 0x6);
1728. retval.setCompressedUnicodeFlag(( byte ) 0);
1729. retval.setSheetname("Sheet1");
1737. retval.setSheetname("Sheet2");
1745. retval.setSheetname("Sheet3");