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
* @throws SemanticException
	 */
	public static DesignElementHandle performInsert( Object insertObj,
			EditPart editPart ) throws SemanticException
	{
		Assert.isNotNull( insertObj );
		Assert.isNotNull( editPart );
		return performInsert( insertObj,
				editPart.getModel( ),
				editPart.getParent( ).getModel( ) );
	}
	/**
	 * Creates multiple objects
	 * 
	 * @param array
	 *            multiple creation source
	 * @param target
	 * @param targetParent
	 * @return first creation in layout
	 * @throws SemanticException
	 */
	protected static DesignElementHandle performMultiInsert( Object[] array,
			Object target, Object targetParent ) throws SemanticException
	{
		DesignElementHandle result = null;
		MultiItemsExpandRule rule = new MultiItemsExpandRule( array, target );
		if ( rule.canInsert( ) )
		{
			Object[] positions = (Object[]) rule.getInsertPosition( );
			if ( positions != null )