validation

Silverlight Validation Dependency Properties

Anyone used SL3 validation when binding to dependency properties rather than notification properties? If so, where did you write your setter validation code? Do you know of any good web examples? Thanks, Mark ...

Checking if a ValidationGroup is valid from code-behind

Is there a method I can call that retrieves a boolean value of whether or not a particular ValidationGroup is valid? I don't want to actually display the validation message or summary - I just want to know whether it is valid or not. Something like: Page.IsValid("MyValidationGroup") ...

[PHP specific, could apply to others] Which 'layer' is responsible for validation of data

Let say I devise an architecture like this - an application consists of modules and modules uses domain-specific utilities to perform changes to the model or database. An example, a registration module which shows the form, accept input and then use a registration utility which will perform the calls to insert the user info do the DB. ...

How to force Flex validation when a container is displayed

I have a Flex 3 app with a view in a viewstack, and that view must only be created when requested. I have declared validators for each of the controls on the view and I have created a method called checkAllValid() which runs Validator.validateAll(). This works great when I'm actually using the controls (using the change or focusOut event...

email validation in a c# winforms application

Hi how can i validate email in c# winforms ? ...

How to check if a SQL query is valid for writing with ADO?

My app has an advanced feature that accepts SQL queries written by the user. The feature should include a "Validate" button to check if the query is valid. The most simple way I found to do this using ADO is just trying to run the query and catch possible exceptions. But how can I also check if the query enables to add new records or to...

How to validate a xml schema

I'm writing a xml schema (a xsd) to describe the format our partners should send us data in. And I'm havening a hard time find a tool that can validate the xsd file that i have written. The best way I have found so far is to write an example input xml file and try to validate that with the xsd. But that doesn't feel like a best practic...

Showing server-side errors inside Silverlight 3 Data Form

I've got a Silverlight control with a Data Form inside to create an entity in my db. Beside the client-side validation that comes for free with Silverlight 3 and the Data Form control, I also have server side validation rules. How can I make those rules violations to show inside the Data Form just like the client-side rules? ...

ASP.net range validator moving to next page

I have put a range validator in a asp.net text box control in my webpage; whenever the range is not meeting ; it will dispay the error message, But it is moving to the next page. how i can prevent it from moving to the next page after the click of submit button while the range not met?? ...

In a wpf TextBox can i make characters in a string that exceed a a certain length turn red?

Im using a TextBox control and want the characters to turn red after a certain number of characters to show users they have typed too much. I dont want to truncate as the user might have typed that "really important thought" and if i truncated they would lose it. I have validation on my underlying business model which tells me when the i...

how to get the built in validation error messages of CakePHP displayed?

I am trying to use the built in validation functions of cakePHP for my registration/login page. <?php class User extends AppModel { var $name = 'User'; var $validate = array( 'name' => VALID_NOT_EMPTY, 'password' => VALID_NOT_EMPTY, 'email_id' => VALID...

Is there a better way of doing data validation in Perl than regex?

Is there a better way of doing data validation in Perl than regex? I have Perl code that does string and numeric data validation using complex regex, and this makes code difficult to read and follow, for everyone. ...

Checking all function parameter in all the functions

When I first moved from c to Java I thought that I've finished will all the annoying parameter checks in the begining of every function . (Blessed exceptions) Lately I've realized that I'm slowly moving back to that practice again , and I'm starting to get really annoyed with all the if (null == a || null == b || null == a.getValue() ...

Matching form entries with javascript?

Hello, I have a form with markup like this.... Which voucher did you cut out <div class="answer item1"> <input type="checkbox" name="downloaded_vouchers[answer1]" id="answer1" value="1"/> <label for="answer1">Answer 1</label> </div> <div class="answer item1"> <input type="checkbox" name="downloaded_vouchers[answer1]" id="answ...

has_one relationship validation in rails

Since has_one doesn't provide a before_add callback to allow validation, how do I prevent rails from destroying the old association even when the new one does'nt pass validation? susan :has_one :shirt shirt :belongs_to :susan susan.shirt = a_nice_shirt this destroys whatever association was present beforehand, even if the new shirt is...

Could you suggest an on-line WSDL validation tool?

Could you suggest a proven on-line WSDL validation tool? I am looking for a validator this is as strict to the WSDL standard as possible. ...

Validating JSON data.

I am using json in some AJAX request and am currently manually validating each entry using (if "key" in json.some_location.keys()) over and over again. Is there a simpler way to do this (like XML validation)? Note: I am open to validation libraries, but would like something I can drop into django itself (not python eggs). ...

What would define a good validation framework?

Hi, First of all, I know a lot of questions exist on this matter but, after searching through a dozen of pages, I did not find any addressing this subject from this point of view. If such a question exists, please don't hesitate to close this one. Now, what are the specific facts that would define a good validation framework, judging b...

Digg Style Form Validation with Hints with JQuery

I am looking for a form validation utility with cool effects similar to the Digg's Registration Page. http://digg.com/register/. I have been searching for a tutorial/code but could not find the perfect one. Please let me know if anybody has some resources on it. Update: I am still open to receive your answers! ...

Validate Linq2Sql before SubmitChanges()

Can anyone tell me if/how you can validate the changes in a data context in Linq2Sql before calling SubmitChanges(). The situation I have is that I create a context, perform multiple operations and add many inserts alongside other processing tasks and then rollback if the submit fails. What I'd prefer to do is make some kind of "Valida...