yes I already fix it thanks you a lot. Can you look it another issue. It doesn't load image from my store .

can you send to me the name of file which I change this code ?

I don't know what file it would be Alex, sorry. You should update anywheres it says "ImageField" to "UploadField" when using SilverStripe v3.

this is a code of homepage.php Because silder on homepage

<?php

/**
* Defines the homePage page type
*/

class homePage extends SiteTree {
   static $allowed_children = "none";
   
   static $db = array(
      'Address' => 'HTMLText',
      'SlideDescriptionShort1' => 'Text',
      'SlideDescriptionLong1' => 'Text',
      'SlideDescriptionShort2' => 'Text',
      'SlideDescriptionLong2' => 'Text',
      'SlideDescriptionShort3' => 'Text',
      'SlideDescriptionLong3' => 'Text',
      'SlideDescriptionShort4' => 'Text',
      'SlideDescriptionLong4' => 'Text',
      'SlideDescriptionShort5' => 'Text',
      'SlideDescriptionLong5' => 'Text',
      'SlideDescriptionShort6' => 'Text',
      'SlideDescriptionLong6' => 'Text',
      'SlideDescriptionShort7' => 'Text',
      'SlideDescriptionLong7' => 'Text',
      'SlideDescriptionShort8' => 'Text',
      'SlideDescriptionLong8' => 'Text',
      'DomesticTitle' => 'Text',
      'DomesticTagline' => 'Text',
      'ProfessonialTitle' => 'Text',
      'ProfessonialTagline' => 'Text',
      'NewPanelTitle' => 'Text',
      'NewPanelTagline' => 'Text',
      'NewProductTitle' => 'Text',
      'NewProductTagline' => 'Text',            
      'OurProductTitle' => 'Text',
      'OurProductTagline' => 'Text',            
      'PublicationsTitle' => 'Text',
      'PublicationsTagline' => 'Text',            
   );
   static $has_many = array(
      'UsedBy' => 'Sponsor'
   );
   public static $has_one = array(
      'SlideImage1' => 'Image',
      'SlideImage2' => 'Image',
      'SlideImage3' => 'Image',
      'SlideImage4' => 'Image',
      'SlideImage5' => 'Image',
      'SlideImage6' => 'Image',
      'SlideImage7' => 'Image',
      'SlideImage8' => 'Image',
      'SlidePage1' => 'SiteTree',
      'SlidePage2' => 'SiteTree',
      'SlidePage3' => 'SiteTree',
      'SlidePage4' => 'SiteTree',
      'SlidePage5' => 'SiteTree',
      'SlidePage6' => 'SiteTree',
      'SlidePage7' => 'SiteTree',
      'SlidePage8' => 'SiteTree',
      'DomesticLink' => 'SiteTree',
      'DomesticImage' => 'Image',
      'ProfessonialLink' => 'SiteTree',
      'ProfessonialImage' => 'Image',
      'NewPanelLink' => 'SiteTree',
      'NewPanelImage' => 'Image',
      'NewProductLink' => 'SiteTree',
      'NewProductImage' => 'Image',
      'OurProductLink' => 'SiteTree',
      'OurProductImage' => 'Image',      
      'PublicationsLink' => 'SiteTree',
      'PublicationsImage' => 'Image',
   );
   
   function getCMSFields() {
$fields = parent::getCMSFields();
   
      // add field to edit footer and address section

$fields->addFieldToTab("Root.Content.Address", new HTMLEditorField('Address', 'Address'));

// Slides
      // Slide 1
   $fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h2>Left Slide Window</h2>"));
$fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h4>Slide 1</h4>"));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionShort1', 'Short description'));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionLong1', 'Long description'));
$fields->addFieldToTab('Root.Content.Slides', new TreeDropdownField('SlidePage1ID', 'Page', 'SiteTree'));
// $fields->addFieldToTab("Root.Content.Slides", new UploadField('Image', 'Image'));
   $fields->addFieldToTab("Root.Content.Slides", new SimpleUploadField('SlideImage1', 'Image'));
      // Slide 2
$fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h4 style=\"margin:10px 0 0;\">Slide 2</h4>"));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionShort2', 'Short description'));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionLong2', 'Long description'));
$fields->addFieldToTab('Root.Content.Slides', new TreeDropdownField('SlidePage2ID', 'Page', 'SiteTree'));
$fields->addFieldToTab("Root.Content.Slides", new SimpleImageField('SlideImage2', 'Image'));
      // Slide 3
$fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h4 style=\"margin:10px 0 0;\">Slide 3</h4>"));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionShort3', 'Short description'));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionLong3', 'Long description'));
$fields->addFieldToTab('Root.Content.Slides', new TreeDropdownField('SlidePage3ID', 'Page', 'SiteTree'));
$fields->addFieldToTab("Root.Content.Slides", new SimpleImageField('SlideImage3', 'Image'));
      // Slide 4
$fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h4 style=\"margin:10px 0 0;\">Slide 4</h4>"));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionShort4', 'Short description'));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionLong4', 'Long description'));
$fields->addFieldToTab('Root.Content.Slides', new TreeDropdownField('SlidePage4ID', 'Page', 'SiteTree'));      
$fields->addFieldToTab("Root.Content.Slides", new SimpleImageField('SlideImage4', 'Image'));

   $fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h2>Right Slide Window</h2>"));
      // Slide 5
$fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h4>Slide 1</h4>"));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionShort5', 'Short description'));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionLong5', 'Long description'));
$fields->addFieldToTab('Root.Content.Slides', new TreeDropdownField('SlidePage5ID', 'Page', 'SiteTree'));
$fields->addFieldToTab("Root.Content.Slides", new SimpleImageField('SlideImage5', 'Image'));
      // Slide 6
$fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h4 style=\"margin:10px 0 0;\">Slide 2</h4>"));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionShort6', 'Short description'));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionLong6', 'Long description'));
$fields->addFieldToTab('Root.Content.Slides', new TreeDropdownField('SlidePage6ID', 'Page', 'SiteTree'));
$fields->addFieldToTab("Root.Content.Slides", new SimpleImageField('SlideImage6', 'Image'));

// Slide 7
$fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h4 style=\"margin:10px 0 0;\">Slide 3</h4>"));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionShort7', 'Short description'));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionLong7', 'Long description'));
$fields->addFieldToTab('Root.Content.Slides', new TreeDropdownField('SlidePage7ID', 'Page', 'SiteTree'));
$fields->addFieldToTab("Root.Content.Slides", new SimpleImageField('SlideImage7', 'Image'));

// Slide 8
$fields->addFieldToTab('Root.Content.Slides', new LiteralField ($name = "literalfield", $content = "<h4 style=\"margin:10px 0 0;\">Slide 4</h4>"));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionShort8', 'Short description'));
$fields->addFieldToTab('Root.Content.Slides', new TextField('SlideDescriptionLong8', 'Long description'));
$fields->addFieldToTab('Root.Content.Slides', new TreeDropdownField('SlidePage8ID', 'Page', 'SiteTree'));
$fields->addFieldToTab("Root.Content.Slides", new SimpleImageField('SlideImage8', 'Image'));

   $tablefield = new HasManyComplexTableField(
               $this,
               'UsedBy',
               'Sponsor',
               array( 'Thumbnail' => 'Image', 'CompanyName' => 'Company Name'),
               'getCMSFields_forPopup'
               );
   $tablefield->setAddTitle( 'A Product User' );

//   $fields->addFieldToTab( 'Root.Content.ProductUser', $tablefield );

   $fields->addFieldToTab('Root.Content.NewsletterPanels', new LiteralField ("literalfield", "<h3>Domestic Newsletter Panel</h3>"));
$fields->addFieldToTab('Root.Content.NewsletterPanels', new TextField('DomesticTitle', 'Domestic Title'));
$fields->addFieldToTab('Root.Content.NewsletterPanels', new TextField('DomesticTagline', 'Domestic Tagline'));
$fields->addFieldToTab('Root.Content.NewsletterPanels', new TreeDropdownField('DomesticLinkID', 'Domestic Link', 'SiteTree'));
$fields->addFieldToTab("Root.Content.NewsletterPanels", new SimpleImageField('DomesticImage', 'Domestic Image'));

   $fields->addFieldToTab('Root.Content.NewsletterPanels', new LiteralField ("literalfield", "<h3>Professional Newsletter Panel</h3>"));
$fields->addFieldToTab('Root.Content.NewsletterPanels', new TextField('ProfessonialTitle', 'Professional Title'));
$fields->addFieldToTab('Root.Content.NewsletterPanels', new TextField('ProfessonialTagline', 'Professional Tagline'));
$fields->addFieldToTab('Root.Content.NewsletterPanels', new TreeDropdownField('ProfessonialLinkID', 'Professional Link', 'SiteTree'));
$fields->addFieldToTab("Root.Content.NewsletterPanels", new SimpleImageField('ProfessonialImage', 'Professional Image'));

   $fields->addFieldToTab('Root.ProductsPanels', new LiteralField ("literalfield", "<h3>New Newsletter Panel</h3>"));
$fields->addFieldToTab('Root.ProductsPanels', new TextField('NewPanelTitle', 'New Panel Title'));
$fields->addFieldToTab('Root.ProductsPanels', new TextField('NewPanelTagline', 'New Panel Tagline'));
$fields->addFieldToTab('Root.ProductsPanels', new TreeDropdownField('NewPanelLinkID', 'New Panel Link', 'SiteTree'));
$fields->addFieldToTab("Root.ProductsPanels", new SimpleImageField('NewPanelImage', 'New Panel Image'));

   $fields->addFieldToTab('Root.ProductsPanels', new LiteralField ("literalfield", "<h3>New Product Panel</h3>"));
$fields->addFieldToTab('Root.ProductsPanels', new TextField('NewProductTitle', 'New Product Title'));
$fields->addFieldToTab('Root.ProductsPanels', new TextField('NewProductTagline', 'New Product Tagline'));
$fields->addFieldToTab('Root.ProductsPanels', new TreeDropdownField('NewProductLinkID', 'New Product Link', 'SiteTree'));
$fields->addFieldToTab("Root.ProductsPanels", new SimpleImageField('NewProductImage', 'New Product Image'));

   $fields->addFieldToTab('Root.ProductsPanels', new LiteralField ("literalfield", "<h3>Our Products Panel</h3>"));
$fields->addFieldToTab('Root.ProductsPanels', new TextField('OurProductTitle', 'Our Product Title'));
$fields->addFieldToTab('Root.ProductsPanels', new TextField('OurProductTagline', 'Our Product Tagline'));
$fields->addFieldToTab('Root.ProductsPanels', new TreeDropdownField('OurProductLinkID', 'Our Product Link', 'SiteTree'));
$fields->addFieldToTab("Root.ProductsPanels", new SimpleImageField('OurProductImage', 'Our Product Image'));

   $fields->addFieldToTab('Root.Content.PublicationsPanel', new LiteralField ("literalfield", "<h3>Publications Panel</h3>"));
$fields->addFieldToTab('Root.Content.PublicationsPanel', new TextField('PublicationsTitle', 'Publications Title'));
$fields->addFieldToTab('Root.Content.PublicationsPanel', new TextField('PublicationsTagline', 'Publications Tagline'));
$fields->addFieldToTab('Root.Content.PublicationsPanel', new TreeDropdownField('PublicationsLinkID', 'Publications Link', 'SiteTree'));
$fields->addFieldToTab("Root.Content.PublicationsPanel", new SimpleImageField('PublicationsImage', 'Publications Image'));

return $fields;

}
      function LeftFeatureImage($width=30, $height=30) {
       $Image = $this->SlideImage1();
       if ( $Image ) {
          if($Image->getWidth() > $width) {
             return $Image->CroppedImage($width, $height);
          } else {
          return $Image;
          }
       } else {
       return null;
       }
      }
      function RightFeatureImage($width=30, $height=30) {
       $Image = $this->SlideImage5();
       if ( $Image ) {
          if($Image->getWidth() > $width) {
             return $Image->CroppedImage($width, $height);
          } else {
          return $Image;
          }
       } else {
       return null;
       }
      }
    function LightBox()
       {
          if (isset($_COOKIE['Lightbox']))
            $cookie = 'none';
         else
          $cookie = 'block';
            
         return $cookie;   
       }         
}

class homePage_Controller extends Page_Controller {
   // Latest News
   function LatestNews($num=3) {
   $news = DataObject::get_one("NewsPageHolder");
      return ($news) ? DataObject::get("NewsPage", "ParentID = $news->ID", "Date DESC", "", $num) : false;
   }

   // Latest Events
   function ComingEvents($num=3) {
   $event = DataObject::get_one("EventPageHolder");
   $yesterday = date('Y-m-d',mktime(0,0,0,date('m'), date('d')-1, date('Y')));
      return ($event) ? DataObject::get("EventPage", "`ParentID` = '".$event->ID."' and Date > '{$yesterday}'", "Date DESC", "", $num) : false;
   }

}

?>