Bug 361443 Excel ODA
data/org.eclipse.birt.report.data.oda.excel/src/org/eclipse/birt/report/data/oda/excel/impl/ResultSet.java
}
	/*
	 * @see
	 * org.eclipse.datatools.connectivity.oda.IResultSet#findColumn(java.lang
	 * .String)
	 */
	public int findColumn(String columnName) throws OdaException {
		return resultSetMetaData.findColumn(columnName);
	}
	/**
	 * Validate whether the cursor has been initialized and at a valid row.
	 *
	 * @throws OdaException
	 *             if the cursor is not initialized
	 */
	private void validateCursorState() throws OdaException {
		if (this.cursor < 0)
			throw new OdaException(
					Messages.getString("resultSet_CURSOR_HAS_NOT_BEEN_INITIALIZED")); 
	}
	/**
	 * Transform a String value to an int value
	 *
	 * @param stringValue
	 *            String value
	 * @return Corresponding int value
	 */
	private int stringToInt(String stringValue) {
		if (stringValue != null) {
			try {