Bug 191155 Cross table that exoport to library is invalid
Description: Cross table that exoport to library is invalid Step: 1.New a report, new a datasource, dataset and date cute. 2.Insert a cross table and binding the data cute. 3.Drop the dimensions and measures into cross table. 4.Export the report to library 5.New another report and use the library 6.Drop the cross table from library into layout 7.Preview Actual result: The cross table is invalid and pop up the error
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/BoundColumnsMgr.java
* 
	 * @param element
	 *            the text data
	 * @param module
	 *            the root of the text data
	 */
	protected void dealTextData( TextDataItem element, Module module )
	{
		dealReportItem( element, module );
		String value = (String) element.getLocalProperty( module,
				ITextDataItemModel.VALUE_EXPR_PROP );
		if ( value != null )
			handleBoundsForValue( element, module, value );
	}
	/**
	 * Creates bound columns for the text.
	 * 
	 * @param element
	 *            the text
	 * @param module
	 *            the root of the text
	 */
	protected void dealText( TextItem element, Module module )
	{
		dealReportItem( element, module );
		String content = (String) element.getLocalProperty( module,
				ITextItemModel.CONTENT_PROP );
		if ( StringUtil.isBlank( content ) )
			return;
		List jsExprs = BoundDataColumnUtil.getExpressions( content, element,