Get running Order Increment Id in magento
$orders = Mage::getModel('sales/order')->getCollection()
->setOrder('increment_id','DESC')
->setPageSize(1)
->setCurPage(1);
$orderId = $orders->getFirstItem()->getIncrementId();
OR
$orderId = Mage::getSingleton('eav/config')->getEntityType('order')->fetchNewIncrementId($this->getQuot
e()->getStoreId());
That's it... Enjoy Chandresh rana's Coding.... :)
