validation

What is the fastest way to validate that a field has no more than n words?

I have a Ruby-on-Rails model: class Candidate < ActiveRecord::Base validates_presence_of :application_essay validate :validate_length_of_application_essay protected def validate_length_of_application_essay return if application_essay.blank? # don't add a second error message if they didn't fill it out errors.add(:appli...

Validation errors from Google App Engine Logout link

I am making a web page using the Google App Engine. I am validating my pages, and found that the logout link that is generated by the call to the users api (in python) users.create_logout_url(request.uri) does not validate as XHTML 1.0 Strict. The href in the anchor tag looks like this: /_ah/login?continue=http%3A//localhost%3A8080/&a...

floating point precision in ruby on rails model validations

Hello I am trying to validate a dollar amount using a regex: ^[0-9]+\.[0-9]{2}$ This works fine, but whenever a user submits the form and the dollar amount ends in 0(zero), ruby(or rails?) chops the 0 off. So 500.00 turns into 500.0 thus failing the regex validation. Is there any way to make ruby/rails keep the format entered by the us...

Writing XSD schema: if one field contains "A", then other field should not contain "B". How???

A simple scenario: if one field contains "A", then the other field should not contain "B". How to write a XSD schema for it. Example: <root> <field_1>A</field_1> <field_2>B</field_2> </root> How to write an XSD schema that imposes restriction on the value of an element, depending on the value of another element? ...

RequiredFieldValidator not working.

With the following simple mark-up, I get very strange behaviour in FF and IE8. If I give the textbox focus, and tab out, nothing happens. If I give a user name value, and erase it immediately, nothing happens. However, only when I supply a user name, tab away, the erase it and tab away again, do I finally get a red star "required" mar...

Data Validation for Random varying Phone Numbers

I am storing phone numbers of varying lengths in my WPF (C#, VS 08) App. I store them as strings. My question is about my method AddNewPhoneNo(string phoneNo). In this method, I use Int.TryParse to validate the incoming number (i.e. not null, is numeric...). I've since realized this is probably not the best way to do this, because then...

How to do wpf datavalidation with Ado.net

How can i use data validation mechanisms with ado.net datatable or datasets. I have an input form which i am binding to a datatable.Now i want to do input validation how can i do that.I have tried using validationRules but i cant bind parameters to it.I tried using idataerrorinfo but cant get a clue.can someone provide some input..? ...

ValidationProperty not returning entered value for textbox in custom control

hi I have a custom control, (relevant code at the bottom) it consists of some text/links and a hidden textbox (rather than a hidden input). when rendered, the user via another dialog and some JS sets the value of the textbox to an integer and clicks submit on the form. i am trying to assure that the user has entered a number (via the JS...

jQuery Validate on form submitted by JavaScript

My form is submitted by a link using JavaScript, but I am also trying to validate the from justing jQuery validate. The validation doesn't work when submitted by the link, but it does if I change the link to a submit button. What am I doing wrong? My form: <form id="findmatch" method="post" action="search"> <div> ...

Problem with $.get while submitting form

I'm trying to verify that an Account Name is not already in use once a user fills out a form. The code looks like: $("#add_account").submit( function () { $.get( "'.url::site("ajax/check_account_name").'", {account_name: "t"}, function(data){ alert( data ); ...

quick validation method...

hi guys....i have a form with 20 fields .. i have 2 options ...one to validate on client side and another on click of submit button do a validation from server side using ajax and show result..... which 1 to choose...which is faster server side or client side.. i am developing a application ..its not a website. ...

missing : after property id code was copied from a working example?

I copied this code and changed the final line "You must the fill in this field." from just "" (blank). The code worked in fine before (in the example) but now I get the error 'missing : after property id' on line one in this case. I checked to see if there was any vars I had missed or anything like that but no. Strange could really do wi...

How can I have sub-elements of a complex/mixed type with unrestricted order and count?

I am working with XML where some elements will contain text with additional markup. This is similar to this example at W3Schools. However, I need the markup tags to be able to appear in any order and possibly more than once. To modify their example for illustration: <letter> Dear Mr.<name>John Smith</name>. Your order <orderid>10...

How can I use validation to enforce the uniqueness of a property in ASP.NET MVC 2?

Imagine an object with a field that can't have a duplicate value in the database. My first instinct was to create a unique attribute that I could apply as a data annotation to a property. This unique attribute would hit the database and check if the value already exists. This would work when executing a create method, but would fail on a...

Get all email addresses in a string with JavaScript

So, I have this JavaScript function: ME.Utils = { RxEmail: new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0...

jQuery Validation using the class instead of the name value

Hi, I'd like to validate a form using the jquery validate plugin, but I'm unable to use the 'name' value within the html - as this is a field also used by the server app. Specifically, I need to limit the number of checkboxes checked from a group. (Maximum of 3.) All of the examples I have seen, use the name attribute of each element. W...

Validate XML with a XSD Schema without changing the XML using C#

I have an XML file without a Schema in the XML, and I need to validate the XML against a XSD schema. I have seen many examples where you inject the XSD in to the XML and then validate the XML. I don't want to change the XML, is it possible to validate the XML, against the schema without change the XML? ...

JSF how to temporary disable validators to save draft

I have a pretty complex form with lots of inputs and validators. For the user it takes pretty long time (even over an hour) to complete that, so they would like to be able to save the draft data, even if it violates rules like mandatory fields being not typed in. I believe this problem is common to many web applications, but can't find...

Validation Control

I placed some validation controls on my grid view template. The only problem is that it is taking a lot of space vertically. Is there a property to set to solve this problem? ...

How dynamically set validation attributes to a Model MVC 2?

Lets says I have the following model public class Person { [NameIsValid] public string Name { get; set;} public string LastName { get; set; } } I created a custom attribute NameIsValid for this model. Lets says for ViewA I need the custom attribute validation in the model, but for ViewB I dont need this custom validation attr...