Variable and Number Field Computation

Forms Public Forms
1

Hi Guys,

Just want to ask, is the below a correct syntax for variable and number field computation:

var VoteTotal = fd.field('numberfield1').value + fd.field('numberfield2').value + fd.field('numberfield3').value;

Apologies as I'm a newbie in JavaScript. I'm trying to accomplish a validation wherein if an inputted VotersShares (number field) is less than VoteTotal (var above), when the user clicks Submit button, it will give an error message.

Thank you in advance.

2

Hello @Ryan,

Welcome to Plumsail Community!

Yes, this is the correct way to sum values.

And the code to validate the form in your case would look like this:

fd.rendered(function() {

fd.validators.push({
        name: 'Error Name',
        error: "Error text",
        validate: function(value) {
            var voteTotal = fd.field('numberfield1').value + fd.field('numberfield2').value + fd.field('numberfield3').value;
            
            if (voteTotal > fd.field('VotersShares').value) {
                return false;
            } 
            return true;
        }
    });
});

You can find more information on how to manipulate field properties and appearance in oud documentation here.

1 Like
3

Thanks Nikita for the usual support and the code.

I also did a beforeSave and added the condition and throws an error when the condition is not met.

Works also. Error displays after clicking Submit button.

Thanks again.

4

Hi again @mnikitina, is there a way I can show the value of the below expression on a number or plain text field?

var VotingPower2 = fd.field('VotersShares').value * 7;

I'm trying the below but it does not show the value in the number field when called using onChange...Because it does not show.

fd.field('VotingNumber').value = VotingPower2;

Thank you

5

Hi @mnikitina... I sorted it out. It seems that this cannot be done when calling an OnChange. I tried to insert the code in beforeSave and it worked. I think a button is needed for this to work. Is there a way you can call this without a button? Thanks again...

6

Hello @Ryan,

Do you need to update the value when VotersShares field is changed?

For this, you can use this code:

fd.rendered(function() {
   
  fd.field('VotersShares').$on('change', function(value) {
      var VotingPower2 = fd.field('VotersShares').value * 7;
      fd.field('VotingNumber').value = VotingPower2;
  });

});

Please make sure you use the internal names of the fields in the code.

1 Like
7

Thanks much @mnikitina. Appreciate it. :blush:

1 Like