Bug 211703 Support muti-view on report item.
As title described.
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/CrosstabReportItemTask.java
catch ( SemanticException e )
		{
			stack.rollback( );
			throw e;
		}
		stack.commit( );
		return grandTotal;
	}
	/**
	 * Removes row/column grand total from crosstab if it is not empty,
	 * otherwise do nothing. The axis type can be either
	 * <code>ICrosstabConstants.ROW_AXIS_TYPE</code> or
	 * <code>ICrosstabConstants.COLUMN_AXIS_TYPE</code>.
	 * 
	 * @param axisType
	 * @throws SemanticException
	 */
	public void removeGrandTotal( int axisType ) throws SemanticException
	{
		CrosstabViewHandle crosstabView = crosstab.getCrosstabView( axisType );
		if ( crosstabView != null )
		{
			crosstabView.removeGrandTotal( );
		}
	}
	/**
	 * Removes row/column grand total from crosstab on particular measure,
	 * otherwise do nothing. The axis type can be either
	 * <code>ICrosstabConstants.ROW_AXIS_TYPE</code> or
	 * <code>ICrosstabConstants.COLUMN_AXIS_TYPE</code>.