[alisoroush7]

hi guys

i have a form that has 4 fields. i want the user to enter the number in 3 of them and in 4th field the summation of them be available. and i need that it calculate real time. i know that i can do this by javacode but i dont know the exact code

[marceloayllon]

Hi alisoroush7 ,

I could offer you some advice to have better control I could recommend you to do it through the GRIDs, the code to add is easier, I share with you the link.

https://wiki.processmaker.com/3.1/Grid_Control