Checkbox checked values from many-to-many table

[George]

Maybe this will help:

Dynamically Check Multiple Checkboxes

In this tutorial we will show you how to check multiple checkboxes, based on a database value. This is useful if you are using an update record form, or some details page which show multiple checkboxes that rely on a dynamic value. In our case this is our update record page, which shows reservations info: [Screenshot_20] We insert the values from the checkboxes in our database in a single field, comma separated: [Screenshot_21] So, let’s add the checkboxes on the page. Select where you wa…