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

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4
votes
4answers
2k 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 ...
3
votes
1answer
63 views

Validation, Alert, Urgent color usage

Im building a mobile application that allows users to ask each other for help with homework questions. Users also have the ability to message each other directly. On the page of my application that ...
4
votes
2answers
116 views

Is inline validation convenient on pre filled form fields?

I have a form which partly pre-fills after filling in an address field. Is it convenient to give green check marks on the fields they didn't fill in themself?
1
vote
3answers
66 views

What's the best way to validate an invited user via email that another user provided?

User 1 is an account administrator and can create (invite) other users on the account. User 1 inputs an email address for User 2. User 2 receives a welcome email at that address with a link to ...
13
votes
7answers
8k views

Reasonable character limit for a comment field on a site feedback form?

I have a simple feedback form (see screenshot) on each page on a site. The user has to select whether the page was helpful or not (radio buttons yes/no) and there is also a text area input where the ...
7
votes
1answer
270 views

Decision tree / flow diagram for mobile email / password confirmation

This UI design pattern keeps coming up and I'm wondering whether there are any best practices out there that can improve the quality of my solution. The pattern is: type your email (or password), ...
8
votes
5answers
933 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 ...
2
votes
1answer
192 views

How best can I indicate conditionally required fields?

I often work on pages containing forms with complex requirements and subforms. The example below has these attributes: The default button -- that is, the button that will be "clicked" when the user ...
0
votes
2answers
2k 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, ...
7
votes
2answers
281 views

Ship Date and Delivery Date Picking with Blackout Days?

Lets say that a user is entering a ship date and a delivery date for a customer order. The customer wants it delivered on a particular day. The customer has blackout days such as weekends and ...
1
vote
2answers
49 views

Displaying multiple validation messages

Let's say my password field has the following validations (not limited to) on my Sign Up form, Password length should be 6-12 characters. Password must contain at least 1 number. Password must ...
2
votes
3answers
65 views

Is there a convention for validating start and end (time) in range?

I am working on an Android app (we also have an iOS and a web version) and I am currently adding validation to a view where the user can select a time range. I am wondering if there are any ...
11
votes
3answers
2k views

Should validation be done in a pop-up window or a new page?

I'm working on an enhancement for an application. The enhancement allows the users to validate and view the errors on their uploaded data. These errors are something the user would need to revisit. ...
1
vote
3answers
120 views

Date of Birth Validation: Minimum & Maximum Year of Birth

I am working on an app which asks for date of birth of users during signup process. The app can be used by users of all ages. Having said that, I think there must be some validation in place. In my ...
79
votes
12answers
11k 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 ...
1
vote
3answers
210 views

How to illustrate a “saved, but incomplete” state

Right now I have a form that is broken into multiple sections. Beside the form, there is a sidebar with a list of every section's name. Each section will experience 5 states: unsaved edit(s) ...
0
votes
1answer
38 views

How to do customer validation with limited budget?

User experience designers should always go out and talk to their customers before the product is even built. But how would I do this if I had limited resources? Most of the research I've done ...
2
votes
1answer
3k views

iOS multi-step form and user input validation

I need to design a form that may consist of 3 or 4 steps, all of them requesting both mandatory and optional data. The overall form contains a lot of data inputs, so I thought it would be better to ...
1
vote
2answers
96 views

“We emailed instructions to bork@bork.bork”

I tried to login at a big-brand site with email and password and got the answer "Wrong email or password". I tried to reset my password by entering the same email address. Please check your email ...
2
votes
3answers
96 views

Restrict input to numbers only

I wonder if this is a good idea to restrict input to numbers only (and related symbols like +-.e and so on) when you need user to input number? Seems like it's clear solution, but may be user will be ...
20
votes
11answers
33k 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 ...
0
votes
0answers
14 views

Mobile first shopping cart on-change input validation delay and notification for targeted demographic

Specification - Application type:mobile first,web based shopping app,angularjs MVW - Target demographic: 25-60 year old m/f - Targeted market: low cost,android Samsung,Other - Input policy: Don't ...
0
votes
3answers
344 views

Data validation warnings while filling fields

An application that I'm working on allows users to submit object data in a blank row at the end of a table. The problem with this is that some fields are cross-dependent. For example, an end date ...
38
votes
9answers
13k views

Is a confirm email address field still considered a best practice?

Having an input field to confirm an email address is pretty standard. However, I would like to know if using a confirm email address field still considered a best practice. The Email and Confirm ...
11
votes
5answers
1k views

How do I manage form validation for either/or fields

I have a form in which there the user is required to enter either a postal code OR select a city in order to do a search. If they fail to enter either and submit the form, currently the form ...
6
votes
2answers
892 views

Automatically limiting or correcting numeric input field values

The application interface I am working on has a slider to select a number, but offers a text input field next to it. This allows you to read the currently selected value, but also supports keyboard ...
0
votes
3answers
52 views

Should commas be placed between characters when listing valid values for an input field

We have an input field, into which the user must type a value but only certain characters are allowed. The allowed characters are: A-Z (any case) the numbers 0-9 the $ character the minus character ...
0
votes
1answer
115 views

How to position page-level error message?

User fills out this page and hits Save. The page has multiple errors, some on Tab one, others on Tab two. What's the best way to present a page-level error message explaining that user should ...
1
vote
1answer
90 views

Is it better to save changes onblur of an edited field or to provide the user with save and discard changes buttons?

In my application, I am providing a ticket form that the users can go back and edit. I had designed it so that they can change one to many fields without real-time saving by providing a save and ...
0
votes
2answers
63 views

How to indicate an overridden value

I am working on a web application where an item will have a series of default values associated to it. On the form itself a number of these items can be composed into a collection (think basket on ...
3
votes
4answers
222 views

Form validation ? When to trigger error validation?

Today in any form, we can have real-time validation like in example below download bmml source – Wireframes created with Balsamiq Mockups The question is: When should I trigger the ...
2
votes
2answers
95 views

Asking for Password After Email Validation?

I do not want to discuss the pros and cons of email validation, but want to know if there are potential downsides (security and otherwise) to user entering his password only after he has already ...
38
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
4answers
418 views

Adding Attachments in a workflow

Part of the application I'm working on lets users add attachments. The selected file(s) must be less than 1 megabyte, and a JPG or PDF. If either of these is not the case, the file is rejected. I've ...
7
votes
3answers
715 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 ...
32
votes
4answers
9k views

Character limits on fields - pros and cons and best practices?

Some of our form fields have character limits. We're debating whether we should reflect the current size of data entry, or to simply hard-limit and inhibit data entry beyond that size. In HTML, ...
0
votes
3answers
108 views

Html form validation leads to an inconsistant user experience

There are a lot of cool client side validation options in HTML, and even more now in HTML5. While these don't change the amount of server side validation required, they give an instantaneous ...
122
votes
18answers
47k 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 ...
2
votes
1answer
174 views

Using toast for form success and error input

is it natural to use toast notification for a success and error on form validation? I know android and google mail uses this on their application, but I cannot verify why this is the best solution ...
2
votes
1answer
124 views

Handling lack of support for HTML5 [closed]

I've made a client-side JS script that runs when the Register button is clicked for the current version of a site, but want to implement real-time validation on the client. How do I handle some ...
3
votes
2answers
212 views

I'm seeing a new instant email-validation tool on registration forms — is it new? And what is it? [closed]

I've started to see something in the last few months that I don't remember having seen before and want to know just what it is and how it works. When I'm required to register for some BS site (but ...
4
votes
4answers
317 views

Is required validation possible on a switch/toggle control?

Scenario I want to make sure a user has made a selection on a switch input. On page load it is either on (1 - in image) or off (2 - in image) depending on what state it is set to in the code. ...
23
votes
12answers
3k views

Should date validation allow “091011”?

Should I allow users to input the MMDDYY or MMDDYYYY format for a date? That is, should any date validation logic not trigger a validation error if the user just wants to put in the numbers without ...
6
votes
4answers
482 views

How to design form that requires users to validate email or phone number?

I'm trying to improve this form to make it a little more user friendly. The main area I'm trying to improve is the validation process. Right now, the form gets filled out on index page /, and the ...
0
votes
1answer
83 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
4answers
370 views

Asking a user their Drivers License Number on a sign up form

download bmml source – Wireframes created with Balsamiq Mockups I already know this is terrible UX for the user but I wanted to get your feedback as I cannot find any examples or data to ...
1
vote
1answer
156 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
202 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
267 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 ...
1
vote
1answer
120 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 ...