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I have seen in a post that it is possible to use something like checkboxlist:{data: join checkboxes} in the data override of the DBsave to convert checkbox group to a comma separated string and store that in a database. However I cannot find that post any more. Can anyone show me the correct syntax or the place where this syntax is defined?

Hi FransO,

in the data override box:

table_field_name:{data/join:checkboxes_field_name}

and better you json_encode it:

table_field_name:{data/jsonen:checkboxes_field_name}

Best regards,
Max

Thanks, Max. I knew I had seen something like that but could not find it again.

I tried it, but I get "{data" as the value in the database field. Looks like it stops reading at the / and then considers it plain text.
My data overrides are:
created:{date:Y-m-d H:i:s}
maanden:{data/jsonen:maanden}

The result is:
[option] => com_chronoforms6
[chronoform] => Test form
[event] => submit
[email] => a@b.nl
[naam] => ab
[adres] =>
[postcode] =>
[woonplaats] =>
[toezegging] => 0
[termijnen] => 1
[termijnbedrag] => 0
[maanden] => {data
[betaalwijze] =>
[iban] =>
[iban_tnv] =>
[opmerkingen] =>
[submit_form] =>
[maanden_list] => 0
[created] => 2017-04-27 16:59:35

Regards,

Frans

Hi Frans,

I have fixed this issue and it should be available in the next update, but let me know if you need an early access to the patch file.

Best regards,
Max

Hi Max,

I can live with the work-around and will update the code as soon as the new update is out.

Thanks,

Frans

Hi, I'm using

table_field_name:{data/join:checkboxes_field_name}

to save a multiple selection checkbox, and works fine. But how to load that back to the checkbox in an update form? All other input fields load correctly, but the checkbox one. Thanks!

Hi xoles,

If you save it using jsonen instead of join:

table_field_name:{data/jsonen:checkboxes_field_name}

which is the better way, then you can add this in the "special fields" section of the "Read data":

checkboxes_field_name/json

Best regards,
Max

Another way which "may" work is to add this in the "selected values" box of the "checkboxes":

{data/split:checkboxes_field_name}

Best regards,
Max

The first option using jsonen worked great! Now it loads correctly. I have two forms, one for the first time the user fills the form and another one for updating their records.

On both forms, I use the squared brackets to indicate an array. Now, when saving an update, it crashes with this error:

Unknown column 'Array' in 'field list'

If I remove the squared brackets from the update form, it won't crash but only saves to db the last checked option.

Please advise.

Do you have the same line below in the "update data override":

table_field_name:{data/jsonen:checkboxes_field_name}

?

Best regards,
Max

Yes, please find attached. Checkbox field has squared brackets.

==== EDITED =====

Sorry for the screenshot (please delete it 😶), brain is tired. Thanks for the help, it is working great!