Drew, It seems you're using Form Calc, and i think you should use JavaScript instead. You may have to do one of the following: (a) code the "click" event in your add/delete instance button(b) place your code in the "calculate" event for the sum field You can use both FromCalc or JavaScript (i prefer...

Did you solve this?I have the same problem, the only difference is i'm using Oracle 10g instead of DB2.

Jorge,You have to start up your application server. It's different depending on your operating system. If your're on Unix, you should use initd scripts to start/stop, or if on Windows, start through services manager.The url to use adminui also depends on your application server's conf. Al last, what...