How to display column in grid.php which is last Inserted column in database?

[Ashish_k_php]

Need displaying last inserted id column dynamically when data insert in the database.

[Tom Robertshaw]

Please could you clarify which screen you're trying to modify please? Grid.php isn't specific enough. 

If you're looking to add a column to admin sales order grid. Here's a good stackoverflow answer which will point you in a few different directions: https://magento.stackexchange.com/a/17406/26