This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I show the data in the dataTable tag and edit the value of the table cells. Cliking on a button, I want to update these data in the database, how do? when coding, I don't know how to obtain the changed value in the table cells, so I also don't know how to update it to the database!