form-for | ReactJS forms | Form library
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form-for Key Features
form-for Examples and Code Snippets
Lines of Code : 10License : Permissive (MIT License)
Copy@GetMapping("/form")
public String showForm(Model model) {
if (!todos.isEmpty()) {
model.addAttribute("todo", todos.peekLast());
} else {
model.addAttribute("todo", new TodoItem());
}
retur @GetMapping("/edit/{id}")
public String showUpdateForm(@PathVariable("id") long id, Model model) {
User user = userRepository.findById(id).orElseThrow(() -> new IllegalArgumentException("Invalid user Id:" + id));
model.addAttri @GET
@Controller
public String showForm() {
return "user.jsp";
} Community Discussions
Trending Discussions on form-for
QUESTION
I had a different question which now lead me to this one here.
My original question was this: Why is form: FormGroup showing 'controls' as undefined in an Angular11 component?
So this piece (ngSubmit)="send(newMaterialFormGroup.value)"> should be changed to (ngSubmit)="send(newMaterialFormGroup)">
Doing so passes the object and thus allowing me to access controls successfully.
But the question remains...
Here is the component side:
...ANSWER
Answered 2021-May-18 at 13:00The problem seems to be that the type of newMaterialFormGroup.value was any. This is why there was no compilation error when it was passed where a FormGroup is expected - any is assignable to anything so...there is that. It is an escape clause from type checking system.
Whenever possible you should use unknown instead of any. It is similar in a way because it acts as a wildcard type anything is assignable to unknown. However, unknown is not assignable to anything:
QUESTION
So, I have a html table in which I have some rows. Additional rows are added each time user buys something. For each row, there is a corresponding input form followed by Buy and Sell buttons.
What I want to achieve is that, if user wants to buy or sell something once again he can type in the desired quantity and perform his/her action by simply clicking on the buy or sell button from the index page. However, there are also Buy and Sell pages from where user also can perform his/her desired actions. I am using the form actions I used at Buy and Sell pages inside the index page.
Currently, it works only for the first row in the table. If user fills any other row than the first one and clicks buy or sell input form value returns null.
The questions I already looked into:
Multiple rows have multiple submit buttons, should I make a form for each button?
How do I implement Multiple Submit Buttons for a multi-row form?
Multiple submit buttons in an HTML form
This is how my site looks like: Index Page
This is my index.html:
...ANSWER
Answered 2021-May-08 at 19:27The problem is that all inputs, forms etc have the same ID's; the DOM doesn't like this. Because getElementById finds multiple values but can only return one, it just takes the first one (which is incorrect for all but the first rows).
I recommend putting some unique ID (stock["id"]?) and either adding a data-id attribute with that value and selecting the correct objects based on that, or extracting that value from the name itself (you have access to the button and thus to the button ID). You would need to slightly change your code (not quite sure what the jQuery selector for startswith is, but it does exist) but that shouldn't be hard.
Alternatively (though I discourage it) you could use the data from the event to find the parent form of the button clicked and extract values from there. This is a lot harder to debug and maintain.
QUESTION
I have several productOptionTypes with dynamic values. My problem is how do I match it with its variants. I want to get the variant id based on it.
Pls check codesandbox here CLICK HERE
...ANSWER
Answered 2021-Mar-19 at 07:52When i understand it correctly you want to safe every selected value, then compare the result to your variants and select the variantId of the item matching all selctboxes based on it?
index.js
QUESTION
previously in Django 1.11, I'ved defined Django REST API in this way:
in url.py
...ANSWER
Answered 2021-Jan-31 at 11:48As you said django-rest-swagger is deprecated.
That's why it is recommended to use drf-yasg.
QUESTION
I have added a custom text-field on the single product page with the "PPOM for WooCommerce" plugin
The intention here is that the user enters his e-mail address and then clicks on the "add-to-cart" button
But before adding the product to his card, I want to check on the basis of the e-mail address whether this already occurs in the existing orders
I already found out about using a filter like woocommerce_add_to_cart_validation to accomplish what I want to do but to be honest, that is how far I got
ANSWER
Answered 2021-Feb-02 at 12:13- I don't use the (paid) plugin that you use, so in my answer, I add a field via custom code to the single product page
- After entering an email address, some validation will take place (not empty, valid email), this can be further expanded to your needs
- If the email address is valid, all previous orders with that email address will be read from the database
- wc_get_orders() is used for this, this can be further expanded with additional parameters such as certain order statuses, etc.
- If the product ID you want to add to the shopping cart is present in previous orders (with customer email), an error message will be displayed.
So you get:
QUESTION
I have an AMP email and I want checkboxes to appear as checked or unchecked depending on a value coming from my server. If the value {{done}} is false, I want the box to appear unchecked and if {{done}} is true, I want the box checked.
Here is the code for the email:
...ANSWER
Answered 2021-Jan-11 at 02:58- You are using
[checked], which is the syntax for attribute binding and only works ifamp-bindis imported. You need to add- Maybe AMP should print a warning to the JS console for better developer experience, so consider filing a feature request.
- You are using
binding=refreshonamp-list, which tells the component to only evaluate binding when refreshing the list and not during the initial load of the list. To evaluate[checked]on initial load, you needbinding=alwaysor omit thebindingattribute altogether.
QUESTION
I am having trouble creating a working login system for my website, I have tried my best to follow along with a YouTube video from Dani Krossing, (link here: https://www.youtube.com/watch?v=gCo6JqGMi30 ). When I attempt to login it saying Incorrect Password, now I know what you guys are thinking, but no, the Password is right, it's "123" (real secure I know). I've tried many things but I feel like it has to do with the password hashing. Here is what I have so far:
Login Page
...ANSWER
Answered 2021-Jan-09 at 07:55it will not work because I think your function does not return anything. Your function uidExists :
QUESTION
I created a custom component, derived from TDataSet.
Now I created a collection from a custom type dsTable named gttTables. (all the code is below)
When I drop the component on a form, the collection gttTables shows up in the property window and when I click on the 3dotted button, the Collection Editor Windows appears as expected.
In the Collection Editor Windows I can click on Add and that will add a new item in the window which seems to be of the type dsTable as I expected.
Now for the problem.
In the Collection Editor Windows I cannot see/change any of the properties of each dsTable in the list on the left. The right side only shows Value the value is gttControls.dsTable.
Let me show you what I mean with this picture
I would like to see the properties of each dsTable added to the Collection Editor Windows here instead, so I can edit them.
Here is my complete code.
My question is what should I do so I can edit the properties of each added dsTable in the Collection Editor Windows ?
ANSWER
Answered 2021-Jan-05 at 13:46You should make your dsTable class properties public to be able to edit these properties with PropertyGrid
QUESTION
I've noticed a very strange behavior for POST requests - when I send, for example, 01-01-1928, everything is fine, however, when I send 01-01-1926, I get a weird date in the payload of the POST request:
Instead of 00:00:00 I get 22:23:26.
Here is a sandbox with a date before 1927 (demonstrates the issue): https://codesandbox.io/s/axios-post-data-form-forked-1wvyk?file=/src/index.js
Here is a sandbox with a date after 1927 (everything is as expected): https://codesandbox.io/s/axios-post-data-form-forked-6g6gt?file=/src/index.js
I can't find anything about this online. What in the world is this?
By the way - Axios is used in the sandbox.
...ANSWER
Answered 2020-Dec-03 at 16:18You are using old dates, when timezones were not so standardized.
In you case, from Time Zone Database:
QUESTION
I'm using Ant design on my reactjs project. Without label, the design is better but required red mark is gone. And I want it back if it's possible.
Thank you
...ANSWER
Answered 2020-Nov-28 at 12:52Probably my solution is not good enough. But anyway it works
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