show grid view data on other page

There is verious ways you can display your gridview data in another page.
1) pass parameters as querystring and select the data and display in new page.
2) create a session and store the grid data set in session and display the session dataset in another page.
If you tell more detail as what exactly you need can find better solution too.

you can return identity number from the database using stored procedure and pass that identity value of your added data to the display page using query string and display the result according to the identity value