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The Form Helper is also flexible - it will do almost everything for you using conventions, or you can use specific methods to get only what you need. The ID is generated using the name of the model, and the name of the controller action, Camel Cased. All fields are assumed to belong to this model (unless otherwise specified), and all models referenced are assumed to be associated with called with no parameters supplied, it assumes you are building a form that submits to the current controller, via the current URL. If you do not specify a model, then it assumes you are using the default model for the current controller: contains an array element named after the form’s model, and that array contains a non-empty value of the model’s primary key, then the Form Helper will create an edit form for that record.Check out this video for a quick data validation overview.You can download an example workbook with all of the data validation examples you'll find in this article.In the below example, is an async validator that resolves after 1000 ms.Use the allow Invalid option (see options page) to define if the grid should accept input that does not validate. censor bad words, uppercase first letter), use the plugin hook before Change (see hooks page).The best thing about using a table is that as you add or remove items from your list, your data validation list will update automatically.

If you need more control, before Validate and after Validate plugin hooks are available (see hooks page).

For example, a programmatic constraint configuration API as well as an annotation processor which plugs into the build process and raises compilation errors whenever constraint annotations are incorrectly used.

On a basic change approval type task, which has a dropdown of 3 fixed values (Approve, Reject, More info) with underlying data values of (1, 0 , 2) respectively.

What have you tried re: inline validation in Freeform? I think, you are using "Free Form Pro" and having "Select" field type for the country.

And you are listing the countries within "Field Options" of field settings.

The Form Helper does most of the heavy lifting in form creation.