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What's the solution to form validation issues in React JSX?

I'm trying to make a validation form in React but I'm having a lot of problems since I added saving user registration data. importReact,{useState}from"react";import"./registerstyle.css";importEyeIconfrom"./EyeIcon.png";importEyeIconHidefrom".

P粉094351878 2024-04-03 11:53:49 0  1  578

react native react-hook-form controller rule validation not working

I have an application developed using ReactNative. I'm using react-hook-form for login and registration screens. I have a validation schema that I created. I can't use this validation scheme with the rules of react-hook-form controller because I can't assign the input value, please help! constformKe...

P粉445714413 2024-03-26 18:35:16 0  1  627

The following problem occurs when clicking the registration button. How can I solve this problem?

According to the teacher's code, the following problem occurs when clicking the registration button jquery-3.3.1.min.js:2 POST http://learnzh.com/index/user/insert.html 500 (Internal Server Error)

"Huadi-Legend?' 2019-02-02 15:51:28 0  2  2071

User login registration system problem

Please tell me how to submit the url parameter username=test&userpwd=test&confirm=test&Submit= when I log in to the PHP user system. Why can't the registration be submitted? It shows that the submission failed. Direct form submission can be successful.

phpcn_u147320 2018-03-23 14:35:32 1  1  1409

jsp - javaweb about MVC framework

For example, on a user registration page, how to obtain the information submitted by the form for processing. After doGet and doPost are obtained, how to connect to the database to query whether the username (unique) is registered. Do I need to write the database connection code in the servlet? If w...

PHP中文網(wǎng) 2017-05-16 17:06:11 0  2  832

PHP login script using session and session variables

I've just finished a complete login and registration system in PHP, but my problem is that I'm not using any sessions yet. I'm new to PHP and have never used sessions before. What I want to do is that after the user registers and fills out the login form, he still stays on the same page. So one part...

P粉726133917 2023-08-21 19:01:51 0  2  678

Why don't these input validations work? (Contact us via PHP & HTML & SMTP Server & PHPmailer)

I'm using PHP, HTML, SMTP server and PHPmailer to create a contact us form with user input validation. But after pressing "Submit" button, it gave me an error: Invalid address: (from): Fatal error: Uncaught PHPMailer\PHPMailer\Exception: Invalid address: (from): in C:\xampp\htdocs\ RESPONS...

P粉613735289 2023-09-06 21:34:49 0  1  615

Way to get image from Express.js and display image in React

I have created a registration form that gets data from the user and their profile picture and stores the image into a public folder in my server. The path structure is server/public/avatar but the problem is express.static doesn't work for me it gives me ConnotGet error I tried this syntax app.use(e...

P粉351138462 2023-09-16 15:22:17 0  1  1361

Understand the role of user agent style sheets

I'm working on a web page in Google Chrome. It displays the following styles correctly. table{display:table;border-collapse:separate;border-spacing:2px;border-color:gray;} Note that I did not define these styles. In Chrome Developer Tools, it replaces CSS filenames with user-agent stylesheets. Now i...

P粉277464743 2023-08-27 13:14:56 0  2  732

How do I properly pass a Collection from my form to a JS event handler and then to a REST controller?

I'm trying to rewrite my form in a way that doesn't involve any page refreshes. In other words, I don't want the browser to make any GET/POST requests on submit. jQuery should be able to help me solve this problem. Here is my form (I have a few):<!--Iguessthisactiondoesn'tmakemuchsenseanymore--&g...

P粉807397973 2024-01-10 17:25:43 0  1  728

jQuery dialog button ignored, continue submitting form

I have the following form code and the javascript code is shown below. The problem is that when validateDialogForm() is executed, a jquery dialog box is displayed if certain conditions are met. I can indeed see the dialog appear for a few seconds, but it won't stay there and the form still continues...

P粉832212776 2023-08-15 12:55:00 0  1  629

php - The form is submitted to action. The user input is illegal and a prompt is required. How to deal with it?

{Code...} Verify.php determines whether the input is illegal. If it is illegal, how can the user be prompted? ps: It's OK if you use jquery to bind the button. But I want to know if the submission method like form/action can output the judgment result to the front desk?

漂亮男人 2017-05-24 11:34:13 0  1  547

How about using Alpine.js for form validation

I'm discovering such a great Alpine.js framework. But I can't find how to insert the complete form validation framework. For years I used full JqueryValidation, but it requires JQuery ;-) I tried Ionide.Js but it didn't have many validators to plug into Laravel. Vue.js has vuelidate and vee-validate...

P粉345302753 2023-08-30 21:41:37 0  1  830

Dynamically add a table in the form/div tag

The dynamically created table appears outside the div tag. I'm creating a responsive registration form. The input field takes the required number of rows for the table given by the user and creates the required number of rows with a fixed number of columns. I created the table but it doesn't appear ...

P粉127901279 2023-09-13 23:18:44 0  1  836

WooCommerce Checkout - Validate user roles and cart contents

I'm having a challenge with WooCommerce's checkout process. I use the "B2BforWooCommerce" plugin to differentiate between regular products and B2B products. The scenario is as follows: 1- An unregistered visitor adds a product from the "General" category (available to unregistere...

P粉545910687 2024-04-03 11:58:52 0  1  937

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  591

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1388

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2943

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1172

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1187