You can start with a google sheet set up with a main page and drop down source page like shown below. You can set up the first column drop down through the normal Data > Validations menu prompts. Main Page Drop Down Source Page After that, you need to set up a script with the … Read more
That’s the effect of JSF’s safeguard against tampered/attacked requests wherein the hacker attempts to circumvent the readonly (and disabled) attribute by manipulating the HTML DOM and/or the HTTP request. Instead of <x:inputXxx … readonly=”true”> use <x:inputXxx … readonly=”#{facesContext.currentPhaseId.ordinal eq 6}”> or <x:inputXxx … readonly=”#{not facesContext.postback or facesContext.renderResponse}”> This makes sure that readonly is only effective … Read more
To apply min/max validation on a number you will need to create a Custom Validator Validators class currently only have a few validators, namely required requiredTrue minlength maxlength pattern nullValidator compose composeAsync Validator: Here is toned down version of my number Validator, you can improve it as you like static number(prms = {}): ValidatorFn { … Read more
If “validation failure” means that there is some client error in the request, then use HTTP 400 (Bad Request). For instance if the URI is supposed to have an ISO-8601 date and you find that it’s in the wrong format or refers to February 31st, then you would return an HTTP 400. Ditto if you … Read more
The standard way is to implement the Validator interface. @FacesValidator(“fooValidator”) public class FooValidator implements Validator { @Override public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException { // … if (valueIsInvalid) { throw new ValidatorException(new FacesMessage(“Value is invalid!”)); } } } The @FacesValidator will register it to JSF with validator ID myValidator so that … Read more
Introduction You can do it, but JSF ajax/action/listener methods are semantically the wrong place to do validation. You actually don’t want to get that far in JSF lifecycle if you’ve wrong input values in the form. You want the JSF lifecycle to stop after JSF validations phase. You want to use a JSR303 Bean Validation … Read more
I understand that you want to filter based on the name input field. The <p:commandButton> sends by default an ajax request and has a process attribute wherein you can specify which components you’d like to process during the submit. In your particular case, you should then process only the name input field and the current … Read more
Validation fails with the message “form:location: Validation Error: Value is not valid” This error boils down to that the selected item does not match any of the available select item values specified by any nested <f:selectItem(s)> tag during processing of the form submit request. As part of safeguard against tampered/hacked requests, JSF will reiterate over … Read more
Client-side validation – I assume you are talking about web pages here – relies on JavaScript. JavaScript powered validation can be turned off in the user’s browser, fail due to a scripting error, or be maliciously circumvented without much effort. Also, the whole process of form submission can be faked. Therefore, there is never a … Read more
If you want to disable client side validation for a form in HTML5 add a novalidate attribute to the form element. Ex: <form method=”post” action=”/foo” novalidate>…</form> See https://www.w3.org/TR/html5/sec-forms.html#element-attrdef-form-novalidate