3
votes
3answers
63 views

How much information should you show the user when his input is invalid?

Assume you have a website that makes several checks on user-generated input. A few examples example from my current assignment: the Belgian version of an SSN is validated using the user date of ...
0
votes
3answers
38 views

Should I support legacy input formats past the transition period in a newly designed application?

We're currently working on a new product that extends a 3rd party product. The product needs to store the bank account number of employees. The product is aimed at Belgian enterprises, and since ...
3
votes
4answers
231 views

How to deal with superfluous numbers in input text fields?

I'm working on input textfields for lab assistants, e.g. a textfield to enter a temperature value (in a custom designed UI, not a web-site). Users don't have to enter the Celsius or Fahrenheit unit, ...
4
votes
1answer
414 views

For non-special-character textbox, should I use inline validating message or block users from inputing invalid characters?

I have one textbox that means to allow no special characters. Now, I have to choose below approaches: Display inline validating message say something like "char * is not allowed" (A) or "Your input ...
6
votes
3answers
127 views

Limiting user input - beneficial or user annoyance?

I am coming up with my project's validation framework, including preventative error handling. I have been debating as to whether I should limit user input to prevent errors in cases such as prices or ...
7
votes
3answers
273 views

Are extensive validations necessary on mundane input forms in a website?

I'm having a rather bitter affair with my client who also happens to be my boss at office. He is a completely non-technical dumb muggle in terms of application development. The frustrating thing is ...
14
votes
2answers
315 views

When should auto-correction occur?

I was using MS Excel and a question arose concerning input auto-correction: when is the right time for it? Some context first: as I'm in France the comma (,) is used as decimal separator. Thus when I ...
2
votes
1answer
160 views

Forcing user to enter correct data

Consider the following scenario for a form with two fields "Full name" and "email". When user starts editing the "Full name" field I will not allow user to start editing "email" field until "Full ...
11
votes
5answers
479 views

What would be the best way to let a user add a URL to a form?

Currently our webapplication simply shows a textbox with no validation at all. There is a small icon placed next to the textbox that allows the user to open the URL in a new browser window to check ...
9
votes
4answers
891 views

What is the best way to display date validation errors?

I am performing date validation on several forms. This validation includes making sure a date does not fall on a weekend, does not fall on a major holiday, is at least 3 business days from the current ...
10
votes
5answers
702 views

Progressive Validation and Disclosure

I am trying to find an example of progressive validation. We have a UI for a a visual editor where a user does things like indicate dimensions in pixels or percent. The editor properties are in sets ...