How to make one custom fields drop values dependent on another custom fields selected value

I have a single select custom field with some dropdown values.Now I want another custom field(Single select) whoes drop down dispaly list change with the change in value of the first field.

How do i achive it?

Thanks in advance.

2 answers

1 accepted

2 votes
Accepted answer

Have you tried using a cascading custom field, Arjit?

If that doesn't fulfil your requirement, maybe a javascript to only shows specific values depending on the value of another field.

Maybe this can help

Hi Marcus,

I have tried to use cascading filed but the problem is I could not name the second field.Also I have to read the data from second field to be used somwhere else.

How to achieve tthese two conditions?

I think it sums up the requirement. Cascade select list can be an option


Can you try the solution below.

<script type="text/javascript">
  source = document.getElementById('customfield_13355');
  if (source) {
      target = document.getElementById('customfield_13750');
      source.onchange=function() {
          if (this.value == 12720) {

You need to change the customfield ids and the ids of the selection items.


I will explain properly:

Consider i have 4 dropdown value(A,B,C,D) for my 1st field and 10 dropdown(0,1,2,3,4,5,6,7,8,9) value for my 2nd.Now if if I select A from first field Second field should show me 1,4,6,8 out of which I cna select any particular. Simalrly for other values also same funcationality applies

Then the option you have is to have Cascaded select list custom field.

This gives you option on what are the dependencies between two select lists.


Thanks Vijay and Marcus your inputs helped


Hi Arijit, We have a similar requirement and wondering how you implemented this? Can you please explain. Thanks, Venki.

Hi Arijit,

You need to create custom field as Cascaded selecting.Then you can select multiple values using two select list.


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