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onclick action with checkbox


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I'm a novice(at best) on programming.

I have a form where I have users click on a checkbox and I would like to be able to update a field with a fixed value based on them checking it.

The field is in the database, but is hidden as it's used later as a number/currency field.

Any help on this would be great. I have not programmed with JS before.

Thanks. :D

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Hello, 

 

If it is in a webform you can add a Header/Footer and paste something like:

 



      var o_checkbox = document.getElementById("InsertRecordFIELDNAME1") ;
      
      function f_event(){
            if (o_checkbox.checked) {
                  document.getElementById("InsertRecordFIELDNAME2").value = "XXXX";
            } else {
                  document.getElementById("InsertRecordFIELDNAME2").value = "YYYY" ;
            }
      }
      o_checkbox.onclick = f_event ;


FIELDNAME1 is the checkbox filed name and FIELDNAME2 is the name of field that you want to change the value.

 

Regards,

Nkamalan

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I tried the code you provided and added the two fields in:

 

Checkbox - Camper_Cap

Value - Camper_CAP_Value

 

My goal is that if somebody checks Camper_Cap that the value of 250 goes into Camper_CAP_Value otherwise it's null.

 

Did I do something wrong on this code?

 



var o_checkbox = document.getElementById("InsertRecordCamper_Cap") ;


function f_event(){
if (o_checkbox.checked) {
document.getElementById("InsertRecordCamper_CAP_Price").value = "250"
} else {
document.getElementById("InsertRecordCamper_CAP_Price").value = "" ;
}
}
o_checkbox.onclick = f_event ;

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A semicolon at the end of this line:

document.getElementById("InsertRecordCamper_CAP_Price").value = "250";

Is it in a submission form or an update form? If it is in an update form then change these lines to :

var o_checkbox = document.getElementById("EditRecordCamper_Cap") ;

document.getElementById("EditRecordCamper_CAP_Price").value = "250";

document.getElementById("EditRecordCamper_CAP_Price").value = "" ;

Regards,

NKamalan

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i updated it with the ";" and still doesn't work.

I have this code in the Header, just to verify.

I am doing a submit form. I setup a separate test table with test form with 2 fields to do this and it didn't work either.

Any other thoughts? Sorry, i don't have a programming background. If you need other information, please advise.

Thanks

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