Net validating checkbox

Each editor is accompanied by the Validator widget validating the editor against a set of specified rules.

Editors are validated each time their value is changed.

Is it a pretty common scenario to have a checkbox on a form, that is required to be checked during POST-ing of a form.

This usually happens when we have a typical 'Agree to Terms and Conditions' element.

That is, $_POST[‘form Door’] won’t return a single string as in the example above; it will instead return an array consisting of all the values of the checkboxes that were checked.

For instance, if I checked all the boxes, will not be set, so use the “empty” function to check for this case.

Simple solution to that would be to either change this code (which we really do not want to do) or create a new specific adapter.All you need to do is include a This tells the browser that the form should not be allowed to submit without the checkbox checked.Some, but not all, browsers will recognise and enforce this: The advantage of the HTML5 form validation is that it happens before our Java Script is called, displays instructions and points the user to the relevant element.Here you can see screen captures from Firefox and Chrome: Text alert messages are generated entirely by the browser and will even translate automatically into different languages - something that would be almost impossible using just Java Script.The advantage for the user is that it's obvious whick element is causing the problem and there's no alert window that needs to be clicked away.When I started to play with unobtrusive Java Script validation in new ASP.


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