What you want to show in your gird:

Now almost your grid is ready to show in admin. But what field or column values you want to show in your grid section. Here you have to mention the field which you want to show in grid like below

Jute\Travelinfo\Block\Adminhtml\Jute\Travelinfo\Grid.php

<?php

 class Jute_Travelinfo_Block_Adminhtml_Jute_Travelinfo_Grid extends Mage_Adminhtml_Block_Widget_Grid

{

   public function __construct()

   {

       parent::__construct();

       $this->setId(‘travelinfo_travelinfo_grid’);

       $this->setDefaultSort(‘entity_id’);                //Sort by Primary key

       $this->setDefaultDir(‘DESC’);                                 //Sort primary key Descending

       $this->setSaveParametersInSession(true);

       $this->setUseAjax(true);

    }

   protected function _prepareCollection()

   {

$trackingCollection = Mage::getModel(‘travelinfo/travelinfo’)->getCollection();

       $this->setCollection($trackingCollection);

       parent::_prepareCollection();

       return $this;

   }

   protected function _prepareColumns()

   {

       $helper = Mage::helper(‘travelinfo_travelinfo’);

       $this->addColumn(‘entity_id’, array(

           ‘header’ => $helper->__(‘TravelID #’),

           ‘index’ => ‘entity_id’

       ));

        $this->addColumn(‘travelinfo_number’, array(

           ‘header’       => $helper->__(‘Travel Number’),

           ‘index’       => ‘travelinfo_number’

       ));

       $this->addColumn(‘travel_name’, array(

           ‘header’ => $helper->__(‘Travel Name’),

           ‘index’ => ‘travel_name’

       ));

       $this->addColumn(‘package’, array(

           ‘header’ => $helper->__(‘Trvel Package’),

           ‘index’ => ‘package’

       ));

       return parent::_prepareColumns();

   }

   public function getGridUrl()

   {

       return $this->getUrl(‘*/*/grid’, array(‘_current’=>true));

   }

}

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