when and how best to give feedback to users about invalid entries in data they have provided.

learn more… | top users | synonyms

0
votes
1answer
39 views

Overridable validations - displaying and handling overrides

We have a need to display validations - could be field validations or rule validations. Some of these validations can be overridden (i.e. the user can indicate that the particular field validation ...
3
votes
3answers
616 views

Best practice for desktop application input validation

I've been reading through some of the other questions tagged with validation and similar. We have a Windows desktop application (WPF) that has many textboxes contained in a dialog that need to be ...
1
vote
1answer
146 views

Validating a Preferences/Configuration “app”

I have a system configuration / preferences "app" I'm designing as part of a larger browser-based application. Our overall application has "apps" (like a development app, a user management app, a ...
0
votes
3answers
64 views

Multi-page form with lots of fields - displaying validation messages

We have a multipage web application (a flow with lots of forms). The forms have lot of fields. Our client wants us to validate the fields on "Next" but allow the user to continue. This introduces a ...
4
votes
1answer
131 views

What is the best way to handle a form with a Start Date and End Date?

What is the best way to handle a form with a Start Date and End Date? When selecting a Start Date greater than an End Date, which of the following is the best approach: Highlight the Start Date as ...
95
votes
17answers
29k views

What is best practice for designing form error messages?

I've seen quite a lot of research on form design, but so far, I haven't come across any studies on error message design best practices. The only piece of advice seems to be that each error should ...
1
vote
1answer
111 views

How 'similar' should names be to qualify as possible duplicates?

This is with reference to this question about possible duplicates. The question now arises is, how similar should these names be to mark them as possible duplicates? For example, Rajan Electricals ...
9
votes
5answers
391 views

How to tackle a form with 50+ fields?

(I'm not 100% sure this is the place I should be posting this but I do need help on the UI part of the problem) We have an ASP.Net MVC5 application. It has one page for profile information and that ...
0
votes
2answers
408 views

How do you design UI with multiple forms within a table?

My current UI: Notable points: gray row(s) including the input fields on the left, and the Save button towards the right, are part of a single form. Del button on the right is a form entire ...
2
votes
3answers
56 views

How to increase visibility of required fields without interfering with error visibility

Context This is a heavily used internal application. Users are on the phone with clients during interaction with the UI. There is a small set of required fields indicated by an asterisk. Since the ...
3
votes
2answers
89 views

Best way to display contextual user entry errors in a tabbed html form

I have a web application that has a very large form. That form is split into several tabbed areas, which divide the entry of the data in to logical blocks. I have a single submit button outside the ...
0
votes
1answer
57 views

What's better UX in a payment rejection screen: provide just 2 main calls-to-action OR show links for all possible actions as shortcuts?

The situation is this: A cashier has placed a payment. For a successful transaction he sees the success confirmation and the corresponding invoice, BUT for a rejected transaction, he sees an error ...
2
votes
3answers
287 views

floating versus inline alerts

I personally am a fan of floating alerts such as Toasts. I am thinking of using them for the form validation and feedback. I find the inline movement of content terrible, though it seems to be the ...
1
vote
2answers
340 views

Form validation and disabled buttons [duplicate]

Allowing a user to submit and find errors is likely optimal compared to the cognitive load of searching a form to see why the button's disabled. However, this could be avoided by providing real-time ...
1
vote
2answers
188 views

Tree View Alternative for Form Input on Website

Currently I have a data structure in the form of a tree view. Eg. Right now I am using a collapsible accordion view to show each field to input data. Scenario - I have about up to about 1000 ...
4
votes
4answers
253 views

Is it bad practice to scroll to a form validation error message on a mobile device?

On phones you can't always see required field error messages. So if you tap the submit button it will look like it's just sitting there because the error message is off screen. What is the best way to ...
3
votes
2answers
89 views

Why are assumptions in Lean UX written in the form of “we believe … to be true” and not in the form of “we do not know if …”?

A characteristic of Lean UX is writing down assumptions, which are then used as the basis for design. But should I not rather write down the things I don`t know, and which I want to learn from users?
2
votes
5answers
183 views

Soft “required” form field?

Has anyone ever seen or heard of this approach to a signup page? So the idea is the "Phone number" is not required, however when trying to submit the empty field you would get this message/option ...
0
votes
3answers
52 views

Validating Fields for Repeating Data (Enterprise Solution)

It has been educational to read solutions on here and I was wondering if you guys can help me out as well. I work for a data collection heavy enterprise solution company. I am slowly convincing my ...
3
votes
1answer
93 views

How to show validation messages on a modal/dialog form

We have a dialog as HTML/CSS based desktop window (Sciter based UI if that matters ) and there is a requirement to provide validation messages on it: Questions that we have: Is it in principle ...
24
votes
9answers
6k views

Mark or don't mark required fields if all are required?

If all fields in a form are required should they be marked somehow (eg. with an asterisk)? I see this done a lot and find it redundant? There could be a difference in big forms and small forms, but ...
1
vote
2answers
86 views

Is use of disabled option on select a good approach for showing existing invalid value?

Sample scenario to illustrate the type of problem I'm trying to solve: Online store has orders and in the order it refers to a product. Users can edit existing unsubmitted orders and one of the ...
5
votes
2answers
143 views

Form validation - When should error messages be triggered?

I'm working on a registration form with real-time inline validation. I'm wondering when we should trigger error messages: before, when the field is in focus and until the user has entered a valid ...
0
votes
1answer
56 views

Is it a good idea to check if user has already registered an iCloud email and alert if they have?

I think checking coincidences between an user email with another email but with the @icloud.com extension would be a great feature to add on a registration process. This would be a great way to try ...
2
votes
2answers
72 views

what is the best way to show required fields for different actions on the same page?

I have a page to create orders on which the users can take any one of two actions - send to design and send for invoicing. Different groups of users take these actions in different order. The fields ...
16
votes
11answers
17k views

friendly format for Phone Numbers

Currently on my website users are required to input their phone number in a very specific format (555-555-5555). If you forget the dashes it breaks. Does anyone have a good suggestions for how to be ...
69
votes
12answers
6k views

Should form 'Continue' button be disabled if validation is incomplete?

In forms we often see the 'continue' button inactive until all the required fields are complete: download bmml source – Wireframes created with Balsamiq Mockups Is this actually a help ...
4
votes
1answer
81 views

How can I validate an email account without leaving the checkout process?

Aside from the standard process in which someone receives an email to validate an account/registration to finish a signup process, is there any alternative/best practice that retains the user within ...
3
votes
2answers
121 views

Should I verify e-mail format in login form?

My B2B web app's login form has an email and password field. So far, I'm only checking if the fields are empty. I then make my authentication request, if there's a problem I return only one kind of ...
5
votes
1answer
55 views

Handling validation discrepancies between user mental model and domain model

I am implementing an image editing feature in a mobile productivity app. The feature is used to crop and rectify a camera image of a document. (This is also known as dewarping, straightening, or ...
2
votes
2answers
1k views

Should we allow special characters or numbers in name field?

I need a generic validation for first and last name field that will be used everywhere. Currently I'm using: /^[A-Za-z]?[A-Za-z ]*$/
15
votes
8answers
844 views

Is it ok to change the (US) address input field order in favor of a pre-fill feature?

I am working on an international site that requires the user to enter his postal address. I am wondering if it makes sense to have a slightly different order of input fields in favor of a time saving ...
4
votes
3answers
232 views

How should one communicate invalid/valid telephone numbers?

When filling in a form with real time validation and contextual help, how should one communicate the logic behind the telephone number validation? For example, then contextual help would give hints ...
1
vote
3answers
109 views

Is it ever useful to show the Password Requirements on page load?

I have a hypothesis that I have no idea how to test other than lots of observational testing, but perhaps someone has covered this already. On signing up to a new service and being presented with the ...
3
votes
5answers
356 views

Date Picker Wheels - When to validate?

This is a fairly simple question but may have wider-reaching answers: when is it appropriate to validate entry in a wheel-based date picker (such as the iOS standard ones)? Since there are three ...
6
votes
4answers
452 views

Why do web designers force users to enter credit card numbers without hyphens or spaces?

Credit card numbers on the cards themselves seem to follow a pattern--four clusters of digits separated by spaces. This seems to comport with "human factors engineering" that I think shows people have ...
0
votes
4answers
106 views

When should an input's validation message show on a form that has already been submitted?

So let's say that we have a form. This form has multiple inputs, many of which are required fields. Understandably, we should not turn a required input red and show a validation message before the ...
37
votes
11answers
5k views

Make user aware that he cannot enter arbitrary values into textbox?

In my current web project I have a textbox where the user can enter a bid for an auction. However, to prevent bidding of arbitrary sums, only certain values that match predetermined intervals are ...
1
vote
2answers
76 views

Validation message when only one thing can go wrong

We have a very simple form overlay for adding items (let's say cars) to a list. There can only be one error, which is to enter a duplicate car name. We've had a rather split opinion on the team as ...
0
votes
1answer
42 views

Error message for “already submitted” in signup form

Consider a simple email signup for reference. Is it necessary to inform the user they've already submitted their email so long as the initial submission was a success and the server identifies and ...
2
votes
2answers
53 views

When should I prompt the user for duplicates entries?

We found a peculiar problem in our users when they enter their data. They tend to enter similar entries sometimes. I'll cite an example here. If there is a customer with the name ABC Electric ...
1
vote
1answer
192 views

Handling bad input in an autocomplete

Due to browser compatibility reasons and some issues with specific forms, in one of the products I'm working on we included a custom control for autocompletion of the Recipient field of an email ...
1
vote
1answer
83 views

Notifying users of incomplete data in hidden fields when moving orders from draft to submitted

Our website allows for submitting orders that are incomplete (drafts). Note that this is different from having invalid formatted data or what have you. When the user is ready to actually submit an ...
2
votes
5answers
164 views

Which user input validation approach is better: preventing or explaining? [duplicate]

Scenario: let's say we are talking about a simple form, which contains the following field types: All fields are mandatory. Number: only digits are allowed. Text: text must not exceed the maximum ...
1
vote
3answers
183 views

Should ZIP/postal codes be mandatory on web-forms? [duplicate]

Given that many jurisdictions (including my own) don't use postal codes, should the ZIP/postal codes be mandatory on web-forms? Additional info: I'm a web developer building ecommerce sites, and ...
1
vote
3answers
232 views

When should I validate that the password in a confirmation field matches the first password entered?

If a user creation page has a field where you are asked to re-enter your password, when should the page validate that the second password matches the first? I do not have control over whether or not ...
5
votes
2answers
242 views

What's better UX: Letting users completing a form with errors marked inline? Or, block the rest of the form as soon as there´s a wrong field?

I'm using inline validation (on blur) as soon as the user clicks/tabs another field. Is it good to block the rest of the fields (previous and following) when a field is validated? The case is: ...
0
votes
1answer
61 views

displaying required field indicators based on action

One of my requirements is to let the users know which fields they are required to fill before they can take an action. The users can take one of three actions save, submit or approve and the required ...
0
votes
2answers
357 views

Bad error message for required field: “Please enter value”

I just watched someone struggle with a form. The form was part of a normal online shop. It had reloaded after submitting, annotating the required field for the phone number with a red text above, ...
0
votes
3answers
115 views

Textfield validation - persist, ignore, correct or delete?

I'm working on a desktop application that has text fields and other form elements scattered on various pages. A global save button saves all inputs from all pages. Since the textfield format/error ...