Show data while it's being sent to the backend

class Mycompany_Mymodule_Block_Adminhtml_Template_Grid_Renderer_Myrendered extends Mage_Adminhtml_Block_Widget_Grid_Column_Renderer_Action 
{
  ... 
}

// ...
'filter'    => false,
'renderer'  => 'mycompany_mymodule/adminhtml_template_grid_renderer_myrenderer',
'sortable'  => false,
'index'     => 'stores',
// ... 

@foreach(var item in Model.Texts)
{
   @Html.DisplayFor(m => item.Description)
}

<?xml version="1.0"?>
<layout version="0.1.0">
    <checkout_onepage_index>
        <reference name='checkout.onepage.billing'>
            <block type='checkout/onepage_billing' name='form.additional.info' template='address/checkout/onepage/billing_field.phtml'></block>
        </reference>
    </checkout_onepage_index>
</layout>

<?xml version="1.0"?>
<layout version="0.1.0">
    <checkout_onepage_index>
        <reference name='checkout.onepage.billing'>
            <block type='checkout/onepage_billing' name='form.additional.info' template='address/checkout/onepage/billing_field.phtml'></block>
        </reference>
        <reference name='checkout.onepage.shipping'>
            <block type='checkout/onepage_shipping' name='form.additional.info' template='address/checkout/onepage/shipping_field.phtml'></block>
        </reference>
    </checkout_onepage_index>
</layout>

/**
 * Adding Extra Column to sales_flat_quote_address
 * to store the delivery instruction field
 */
$sales_quote_address = $installer->getTable('sales/quote_address');
$installer->getConnection()
    ->addColumn($sales_quote_address, 'table_name', array(
        'type' => Varien_Db_Ddl_Table::TYPE_TEXT,
        'comment' => 'Table Comment'
    ));

/**
 * Adding Extra Column to sales_flat_order_address
 * to store the delivery instruction field
 */
$sales_order_address = $installer->getTable('sales/order_address');
$installer->getConnection()
    ->addColumn($sales_order_address, 'table_name', array(
        'type' => Varien_Db_Ddl_Table::TYPE_TEXT,
        'comment' => 'Table Comment'
    ));

<global>
   <fieldsets>
       <sales_convert_quote_address>
           <table_name>
               <to_order_address>*</to_order_address>
           </table_name>
       </sales_convert_quote_address>
   </fieldsets>
</global>

$config = Mage::getModel('core/config');

//append delivery instruction to address templates in system configuration
$html = Mage::getConfig()->getNode('default/customer/address_templates/html');
$html .= '{{depend table_name}}<br/>DH:{{var table_name}} {{/depend}}';
$config->saveConfig('customer/address_templates/html', $html);

$text = Mage::getConfig()->getNode('default/customer/address_templates/text');
$text .= '{{depend table_name}}DT:{{var table_name}} {{/depend}}';
$config->saveConfig('customer/address_templates/text', $text);

$oneline = Mage::getConfig()->getNode('default/customer/address_templates/oneline');
$oneline .= '{{depend table_name}}DO:{{var table_name}} {{/depend}}';
$config->saveConfig('customer/address_templates/oneline', $oneline);

$pdf = Mage::getConfig()->getNode('default/customer/address_templates/pdf');
$pdf .= '{{depend table_name}}<br/>DP:{{var table_name}} {{/depend}}';
$config->saveConfig('customer/address_templates/pdf', $pdf);

$js_template = Mage::getConfig()->getNode('default/customer/address_templates/js_template');
$js_template .= '{{depend table_name}}<br/>DJ:{{var table_name}} {{/depend}}';
$config->saveConfig('customer/address_templates/js_template', $js_template);