Bug 361443 Excel ODA
data/org.eclipse.birt.report.data.oda.excel/src/org/eclipse/birt/report/data/oda/excel/impl/util/XlsxFileReader.java
}
				}
				
				if (val != null) {
					if( currentColumn != -1){
						values.remove(currentColumn);
						values.add(currentColumn, val);
					}
				}
			}
		}
		public void characters(char[] ch, int start, int length)
				throws SAXException {
			lastContents += new String(ch, start, length);
		}
		private int getColumnNumber(String colname) {
            int tmpcol = 0;
            
            for (int ch = 0; ch < colname.length(); ++ch) {
		if( Character.isLetter(colname.charAt(ch)) ){
			tmpcol = (ch*26) + colname.charAt(ch) - 'A';
		}
            }
	        return tmpcol;
	    }
	}
	/**
	 * See org.xml.sax.helpers.DefaultHandler javadocs
	 */
	private static class WorkbookHandler extends DefaultHandler {