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
return tableHandle;
	}
	/**
	 * Validates object can be inserted to layout. Support the multiple.
	 * 
	 * @param insertObj
	 *            single inserted object or multi-objects
	 * @param targetPart
	 * @return if can be inserted to layout
	 */
	public static boolean handleValidateInsertToLayout( Object insertObj,
			EditPart targetPart )
	{
		if ( targetPart == null )
		{
			return false;
		}
		if ( insertObj instanceof Object[] )
		{
			Object[] array = (Object[]) insertObj;
			if ( !checkSameDataSetInMultiColumns( array ) )
			{
				return false;
			}
			for ( int i = 0; i < array.length; i++ )
			{
				if ( !handleValidateInsertToLayout( array[i], targetPart ) )
				{
					return false;
				}