Table field

I used this code below to get multiple articles but when i pick articles and press save contao sort them by some criteria. I picked A,C,B articles but contao sort it in his way like A,B,C. I want when i get articles wit this field to get in way i picked them. i hope u understand me :D

PHP Code:

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$GLOBALS['TL_DCA']['tl_content']['fields']['multipleArticle'] = array(
    'label'                   => &$GLOBALS['TL_LANG']['tl_content']['multipleArticle'],
    'inputType'               => 'select',
    'options_callback'        => array('tl_content', 'getArticles'),
    'eval'                    => array( 'chosen'=>true, 'tl_class'=>'w50 wizard','multiple'=>true),
    'wizard' => array
    (
        array('tl_content', 'editArticle')
    ),
    'sql'                     => "varchar(255) NOT NULL default ''"
); 


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