Bug 197261 [2.2.1]The report that contain library xtab and set filter cannot be run
Description: [2.2.1]The report that contain library xtab and set filter cannot be run Step: 1.New a library and add a xtab 2.New a report and use the library 3.Drop the xtab from library explorer into layout 4.Set the filter on the xtab that is in report 5.Preview Actual result: It pop up an error said that the report cannot be run
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
property( obj, IDesignElementModel.EVENT_HANDLER_CLASS_PROP );
		property( obj, ICellModel.ON_PREPARE_METHOD );
		property( obj, ICellModel.ON_CREATE_METHOD );
		property( obj, ICellModel.ON_RENDER_METHOD );
		writeUserPropertyDefns( obj );
		writeUserPropertyValues( obj );
		writeStyle( obj );
		writeContents( obj, ICellModel.CONTENT_SLOT, null );
		writer.endElement( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.design.elements.DesignVisitor#visitGrid(org.eclipse.birt.report.model.design.elements.GridItem)
	 */
	public void visitGrid( GridItem obj )
	{
		
		boundColumnsMgr.dealGrid( obj, getModule( ) );
		writer.startElement( DesignSchemaConstants.GRID_TAG );
		super.visitGrid( obj );
		writeColumns( obj, IGridItemModel.COLUMN_SLOT );
		writeContents( obj, IGridItemModel.ROW_SLOT, null );
		writer.endElement( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.design.elements.DesignVisitor#visitLine(org.eclipse.birt.report.model.design.elements.LineItem)
	 */