Spring MVC: Validation, Post-Redirect-Get, Partial Updates, Optimistic Concurrency, Field Security
spring-mvc,optimistic-locking,post-redirect-get,optimistic-concurrency
To partially update an entity, you should use @SessionAttributes to store the model in session between requests. You could use hidden form fields, but session is more secure. To use P/R/G with validation, use flashAttributes To secure fields use webDataBinder.setAllowedFields("field1","field2",...) or create a class specific to the form then...
POST-REDIRECT-GET vanishing parameter values
java,servlets,post-redirect-get
As @xehpuk pointed out I have to encode non-ASCII characters, that's is why I've experinced that issue. So in return statement I should do the following: return Path.REDIRECT_TO_FACULTY + URLEncoder.encode(facultyName, "UTF-8"); ...
FilePrg with collections on ZF2
php,file-upload,collections,zend-framework2,post-redirect-get
I don't see where you're setting the data to the form, which may be why it isn't maintained upon rendering form errors. You should be probably calling $form->setData($prg); before validating the form. My basic logic usually looks like this: if ($prg instanceof \Zend\Http\PhpEnvironment\Response) { return $prg; // Return PRG redirect...
PHP redirect on button click
php,redirect,post-redirect-get
Firstly, I recommend you place session_start(); at the top of all your files using sessions. Should there be an error in DB, it will throw an headers already sent notice, since that would be considered as outputting before header. You are also missing quotes around your values $sql = "SELECT...
How to redirect with parameter
struts2,query-parameters,post-redirect-get
It's strange, usually people have 2 and want 1 :) Btw, since you are using PostRedirectGet, you need to manually pass the parameter in Struts configuration. Assuming you have a variable named supplierPaymentId with getter and setter, it's achievable like follows: <action name="AddedPaid" class="iland.payment.SupplierPaidAction" method="insert"> <result name="success" type="redirectAction"> <param name="actionName">ShowPaid</param>...
Post/Redirect/Get with alert to user?
javascript,asp.net,post-redirect-get
TempData in ASP.NET MVC is intended for redirects. If you store a message there you will be able to check for it and display it following a redirect. If the page is refreshed the value will not be persisted though, so won't be visible a second time, complementing the PRG...