Bug 140751 using a grid in a table does not update row value
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
* Creates a object to insert.
	 * 
	 * @param insertObj
	 *            object insert to layout
	 * @param target
	 *            insert target, like cell or ListBandProxy
	 * @param targetParent
	 *            insert target's non-dummy container, like table or list
	 * @return new object in layout
	 * @throws SemanticException
	 */
	public static DesignElementHandle performInsert( Object insertObj,
			Object target, Object targetParent ) throws SemanticException
	{
		Assert.isNotNull( insertObj );
		Assert.isNotNull( target );
		if ( insertObj instanceof DataSetHandle )
		{
			return performInsertDataSet( (DataSetHandle) insertObj );
		}
		else if ( insertObj instanceof ResultSetColumnHandle )
		{
			return performInsertDataSetColumn( (ResultSetColumnHandle) insertObj,
					target,
					targetParent );
		}
		else if ( insertObj instanceof ScalarParameterHandle )
		{
			return performInsertParameter( (ScalarParameterHandle) insertObj );
		}