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I'm trying to update a checkbox field via javascript before the submit. I'm getting correctly the lightning input field (I can see in the console) but is not getting saved. I also tried with a text field and it's working fine.

handleSubmit(event){

event.preventDefault();
const fields = event.detail.fields;

fields.isSign__c = true;
fields.Customer_Name__c = 'John Adams';
console.log('fields: ' + JSON.stringify(event.detail.fields));
this.template.querySelector('lightning-record-edit-form').submit(fields); 
[...]

In the html file I have this for the checkbox (I'm don't want to show the field, it's going to be hide) but I would like to update with the submit.

<lightning-record-edit-form record-id={recordId} object-api-name="CustomObject__c" onsubmit={handleSubmit}>

 <lightning-input-field field-name="isSign__c"> </lightning-input-field>
[...]

Thanks in advance.

I tried with other fields and it worked but with the checkbox seems that somethins doesn't like it and I don't know why

Improve this question
4
  • JavaScript is case-sensitive, are you sure isSign__c is the exact field name? is your user allowed to edit the field (profile/permission sets). Do you have any triggers, workflows etc that might be setting the value back to false? Check debug log maybe? Commented Nov 15, 2022 at 1:27
  • Hi, thank you for the response. Yes, the field name is IsSign__c. I'm testing it with the System administrator so yes, it has the permissions (I had checked also). There is no trigger, just a flow but does nothing with this field. I have checked the console log, and it seems that the value is getting ok, but when the submit is done, the value does not change. Commented Nov 16, 2022 at 7:12
  • Might be uppercase vs lowercase "i", JavaScript is case-sensitive. Commented Nov 16, 2022 at 8:35
  • 1
    You were totally right I didn't see it!! Thank you! Commented Nov 17, 2022 at 8:27
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