forms

问题 I'm using jQuery UI Tabs, and these tabs are inside a form. Every tab contains a number of form fields, which can be filled. It looks something like this: <form> <tab1 href=tabcontent1> <tab2 href=tabcontent2> <tab3 href=tabcontent3> <div tabcontent1> <input field> <input field> </div> <div tabcontent2> <input field> <input field> </div> <div tabcontent3> <input field> <input field> </div> <submit button> </form> Problem is, If the user for example have started filling the fields of tab1, I

问题 I'm trying to submit a form by clicking on a link. I disabled the redirection, but for some reason .submit() is not working... Here is what I have tried: Effect: redirection stops, no form submission, no error message, stuck on the form page: $('.jsubmit').click( function(e) { e.preventDefault(); $('form#fadmin').submit(); }); Effect: URL redirection, form not submitted, no error message $('.jsubmit').click( function(e) { $('form#fadmin').submit(); }); Effect: redirection stops, no form

问题 I'm searching how to implement a system of choosing languages dynamically using form builder . so we must have two html array inputs field : name="languages[]" and the second will be name="languges_level[]" So this system allows the user to set the language which he can speak with his level on it. The User can add/remove Language dynamically before he submits the Form. The Questions : 1- Form Level : what will be the field form type? I have to add 2 form fields which will be combined to

问题 I'm searching how to implement a system of choosing languages dynamically using form builder . so we must have two html array inputs field : name="languages[]" and the second will be name="languges_level[]" So this system allows the user to set the language which he can speak with his level on it. The User can add/remove Language dynamically before he submits the Form. The Questions : 1- Form Level : what will be the field form type? I have to add 2 form fields which will be combined to

问题 I am trying to create a products page with a forum that shows the price of the item, the name of the item and also the quantity with buttons to add or subtract from the quantity field. I have no idea where to begin, I thought I'd do some looking into different types of buttons and form input types but none of them seem to have what I need. I was wondering if anyone can point me to the right direction so I can figure out how these buttons are changing the quantity field and how I can make a

问题 I have a TreeList , with many Items , each item has it's own unique ID . I allow the user to open multiple IDs at once . But I would like to prevent the user from opening the same ID twice . So I thought about creating a simple Dynamic Array where I store which TreeList ID is connected to which Form HWND . If I find a ID on my list with a Matching HWND, then I simply bring the Form which is already Created to Foreground. Application.CreateForm(TChapter, Chapter); Chapter.PopupParent:=Main;

问题 I have to pass value into RichTextBox from a class. Here is my code. I have to pass values into any tools like textbox, listbox but I don't know how. I have to use delegates to pass md value to both methods and into the same richtextbox. namespace delegateEx2 { public class MyClass : Form1 { delegate void MyDelegate(string MyString); public void ShowThoseMessages() { MyDelegate md = new MyDelegate(log1); md += log2; md("Error Log Text"); } public void log1(string message) { //what can I write

问题 When I select an option instead of showing me the name it shows me the id. That's because I bind [value] = "option.id". I'm sending an id to the server and want to show name. <mat-form-field class="example-full-width"> <input matInput placeholder="Pretrazite proizvod koji zelite naruciti samo kucajte pocetna slova" formControlName="id" [matAutocomplete] = "auto" > <mat-autocomplete #auto="matAutocomplete" > <mat-option *ngFor="let option of allProducts; let i = index" [value]="option.id"

问题 I've a 4-page form, where in 3rd form i'm selecting an image for upload. I'm storing the contents of first 3 forms in session. after 4th form is submitted, i'm collecting the required data from session variables and saving them in database. How do i destroy the session variables in django after 4th form is submitted because when i'm filling a new 4-page form, i get the previously uploaded image in 3rd form. Is there any better way to execute multi-page forms in django? 回答1: You need to call

问题 I have this formgroup: this.form = this.fb.group({ id: [], active: [true], name: [''], }); and this submit form function: onSubmit(submitForm: FormGroup) { this.submitForm.controls['name'].setValidators([MyValidators.unique(`name`, () => { return this.service.checkNameUnique(this.submitForm.value.name, this.labelFg.value.id); })]); } I didn't set validation to the form when initiating because this form will only be validated after I clicked the submit button. So I use the setValidators