Please help me! virtuemart category tree issue

[dharmendrarao]

Hi,

I have added new field into config area to save two category field.

i have write this code into view.html.php-

$main_virtuemart_category = $config->_params['main_virtuemart_category_id'];
      $discount_virtuemart = $config->_params['discount_virtuemart_category_id'];
      
      if (isset($main_virtuemart_category)){$main_virtuemart_category_tree = ShopFunctions::categoryListTree($main_virtuemart_category);}else{$main_virtuemart_category_tree = ShopFunctions::categoryListTree();}
      $this->assignRef('main_virtuemart_category_id', $main_virtuemart_category_tree);
      
      
      
      if (isset($discount_virtuemart)){$discount_virtuemart_category_tree = ShopFunctions::categoryListTree($discount_virtuemart);}else{$discount_virtuemart_category_tree = ShopFunctions::categoryListTree();}
      $this->assignRef('discount_virtuemart_category_id', $discount_virtuemart_category_tree);


default_shop.php code-

<fieldset>
   <legend>Discount Rules</legend>
   <table class="adminform">
      <tr>
         <td class="key">
               <span class="hasTip" title="Main Categories">
                  Main Categories
               </span>
         </td>
         <td>
            <select multiple="multiple" id="main_virtuemart_category_id" name="main_virtuemart_category_id[]">
               <option value=""><?php echo JText::sprintf( 'COM_VIRTUEMART_SELECT' ,  JText::_('COM_VIRTUEMART_CATEGORY')) ; ?></option>
               <?php echo $this->main_virtuemart_category_id; ?>
            </select>
         </td>
      </tr>

      <tr>
         <td class="key">
               <span class="hasTip" title="Discounted Categories ">
                  Discounted Categories
               </span>
         </td>
         <td>
            <select multiple="multiple" id="discount_virtuemart_category_id" name="discount_virtuemart_category_id[]" size="10">
               <option value=""><?php echo JText::sprintf( 'COM_VIRTUEMART_SELECT' ,  JText::_('COM_VIRTUEMART_CATEGORY')) ; ?></option>
               <?php echo $this->discount_virtuemart_category_id; ?>
            </select>
         </td>
      </tr>
   </table>
</fieldset>


value saved into config table but when i open it both dropdown show same selected value

please tell me what i miss?

Thanks in advance

[Milbo]

I would say learn the VM API. Show how we use the config. You make it a lot more complex than it is, I would say.