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Hi,
is this code for us or you reply to the wrong person?

Hi Lim,

Sorry, this answer is wrong for this topic. Please ignore it.

Regards.

Lim,

Ok, in this case(when you have iterating items) use this solution:

1 Activate your button by click on it.

2 Open "EVENTS" bottom panel.

3 Add JS event handler on "click" event for this button component: http://prntscr.com/40h8wd/direct

pre

//Set your component names.
var inputName = "mobiletextinput_38";
var labelName = "mobilelabel_39";
var itemElement = "mobilegrid_33";

var currentElement = jQuery(this);

//Note: you should replace "yourItemElement" with name of component which is you iterate with mapping.
var currentItem = currentElement.closest('[name="' + itemElement + '"]');

//Get value from input
var bananaValue = currentItem.find('[name="' + inputName + '"]').val();

/pre

That's all.

Regards.

Hi, have tried your codes but i can't add any items now.
What do i replace with my itemElement?
What do you mean "yourItemElement" with name of component which I iterate with mapping?
Here are the screenshots of my mapping and layout.

Lim,

Probably you have deleted link from $[] - some grid?

See details on this screen shot: http://prntscr.com/40hgkf/direct

In this case your "itemElement" is - "mobilegrid_319".

Regards

I follow the above steps, still aren't able to add in.

Lim,

Please specify current problem that's you have.

Regards.

Hi,
i am still unable to add in my actual cost and display on the label and save it into the database.

Lim,

Please give us your app public link and describe in details steps to reproduce your problem.

Thanks & regards.

Is this the app public link? http://appery.io/app/project/8ede79da...
sorry im not very sure.

Steps are:

1. When i type in 12 for the actual amount, the label below will change to 12. and it will be saved into our database.

   https://d2r1vs3d9006ap.cloudfront.net... (shown in this picture)