Questions tagged [modelattribute]
315 questions
6
votes
1 answer
When is a @ModelAttribute annotated method called precisely?
The following is a simple Spring form controller to handle 'add item' user requests:
@Controller
@RequestMapping("/addItem.htm")
public class AddItemFormController {
@Autowired
ItemService itemService;
@RequestMapping(method =…
Jérôme Verstrynge
- 57,710
- 92
- 283
- 453
5
votes
1 answer
Can ModelAttribute be primitive?
I am having a strange problem with ModelAttribute in Spring MVC 3.0. When I deploy the app at localhost, it works fine. But when I deploy the app on a remote server, it fails everytime user access a specific action, with the errors:
ERROR:…
Hoàng Long
- 10,746
- 20
- 75
- 124
5
votes
3 answers
ModelAttribute returns null values in controller in Spring MVC
Ok, its time to seek help; I am sending a (shopping) Cart ModelAttribute to my jsp, allowing the user to edit the quantity, when the Model is POST to the controller the fields are null except the editable (quantity) field. I have researched for days…
brad12s
- 419
- 2
- 7
- 17
5
votes
2 answers
spring interface as @ModelAttribute param
I have UsersController with method:
@RequestMapping(value={"/new"}, method=RequestMethod.GET)
public String showCreationForm(@ModelAttribute User user){
return "user_registration_form";
}
which displays registration form. I want to keep…
Bladositto
- 293
- 3
- 14
4
votes
3 answers
@ModelAttribute and @SessionAttribute in Spring
As Spring Specification said, @ModelAttribute will executed before the mapping handler and @SessionAttribute will keep the model attribute in session.
Consider below scenario: form bean is created after the controller is called and is set as session…
user1105456
- 41
- 1
- 3
4
votes
1 answer
How do I map properties of a ModelAttribute?
I have a request mapped like
@RequestMapping(value = "/path", method = RequestMethod.POST)
public ModelAndView createNewItem(@ModelAttribute PostRequest request)
and the PostRequest has some properties like e.g. userName…
rurouni
- 2,315
- 1
- 19
- 27
4
votes
4 answers
How to reset a @ModelAttribute in Spring MVC after it has been processed in the controller?
I have defined a @ModelAttribute("mymodel")
@ModelAttribute("mymodel")
MyModel mymodel() {
MyModel mymodel = new MyModel();
return mymodel;
}
@RequestMapping(value = "/save", method = RequestMethod.POST)
public final void…
HHWilchevsky
- 41
- 1
- 1
- 2
4
votes
2 answers
When we must use @ModelAttribute, and how it works
Hello I have question about @ModelAttribute annotation. As i understand, we use @ModelAttribute in method arguments to get data from the model. But it's quite hard to understand clearly when and how its used.
(Code samples are from Spring in…
James Lar
- 87
- 1
- 6
4
votes
3 answers
Why do we need jackson databind?
I am new in Spring MVC. My question is, why do we need jackson databind? Because We can receive the Request Params by @ModelAttribute and requests through http PUT or POST by @RequestBody. I can't find a reason why we need jackson databind to…
Niaz Ahsan
- 351
- 1
- 7
- 21
4
votes
3 answers
spring form jsp binding reference bean
I was trying to bind POJO using spring form tag library. After binding reference class bean variables, I am getting "Bad Request Error- Http Status 400".
If I remove binding of reference class, My form is submitted successfully and values are also…
Ankit
- 2,126
- 4
- 33
- 53
4
votes
2 answers
yii2 rules not applying to non-db attributes?
I would like to upload multiple files at once. I have
a model:
class KakiKingModel extends ActiveRecord {
public $uploadedFiles;
public function rules() {
return [
[['uploadedFiles'], 'file', 'extensions' => 'txt',…
user2511599
- 796
- 1
- 13
- 38
4
votes
1 answer
How to access model attribute in jQuery
I need to pass a model attribute from controller to HTML. My application is using HTML5, thymeleaf & springboot.
I am using the below code snippet:
$(document).ready(function() {
var modelAttributeValue = '${modelAttribute}';
}
Code snippet…
Java_User
- 475
- 2
- 11
- 30
4
votes
1 answer
Spring MVC SessionAttributes with ModelAttribute usage
I am trying to learn Spring MVC recently. It seems that i did not understand well the functionality of @SessionAttributes and @ModelAttribute annotations.
This is a part of my controller:
@SessionAttributes({"shoppingCart", "count"})
public class…
akcasoy
- 6,497
- 13
- 56
- 100
4
votes
3 answers
MVC3 TextBoxFor vs. EditorFor - issues with each
I've looked around the web for a while, but can't find a good solution to my specific issue. I'm working on a MVC3 Razor app. I'm doing a bunch of stuff on the client side with jQuery as well so in this case I need my input fields to have html Id…
gilm0079
- 595
- 1
- 4
- 18
3
votes
1 answer
Java - Spring 3.0 MVC and @ModelAttribute
I need some clarification about Spring 3.0 MVC and @ModelAttribute annotated method parameter. I have a Controller which looks like this one:
RequestMapping(value = "/home")
@Controller
public class MyController {
@RequestMapping(method =…
ssstefano
- 35
- 1
- 4