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 have a text field grpid and based on the grpid I enter I need to populate database values for 3 other text fields in the page. Should I call a action class onchange of textfield ? Is this the right approach.