dataHandle.setValueExpr( DEUtil.getExpression( model ) );
ComputedColumn bindingColumn = StructureFactory.newComputedColumn( dataHandle, model.getName( ) ); bindingColumn.setDataType( model.getDataType( ) ); bindingColumn.setExpression( DEUtil.getExpression( model ) );  dataHandle.addColumnBinding( bindingColumn, false ); dataHandle.setResultSetColumn( bindingColumn.getColumnName( ) );
	protected static DataItemHandle performInsertParameter(			ScalarParameterHandle model ) throws SemanticException	{		// DataItemHandle dataHandle = SessionHandleAdapter.getInstance( )		// .getReportDesignHandle( )		// .getElementFactory( )		// .newDataItem( null );		DataItemHandle dataHandle = DesignElementFactory.getInstance( )				.newDataItem( null );		dataHandle.setValueExpr( DEUtil.getExpression( model ) );		return dataHandle;	}