angular

问题 i make news application with news api and i fetch data properly and but not sending data from service to component so how can send data from service to component and component to component through rxjs import { Injectable } from '@angular/core'; import { Subject } from 'rxjs'; @Injectable() export class NewService { private pushSource = new Subject<object>(); Country_Name; constructor(private http:HttpClient,) { this.messages$ = this.pushSource.asObservable() } // define function for call the

问题 Accessibility issue after upgrading to ag grid version 23 When I check through site improve acceesibility check, I get below error: I'm getting an error for form control label missing. Add the text withing form element within the label tag or WAI-ARIA 'aria-label' or 'aria-labelledby' that is already present. I didnt get a solution anywhere even in community. Kindly let me know if it is possible to add label text in ag-grid version 23 screenshot of console showing the empty label error

问题 I'm currently trying to make a function where it loops and by using .subscribe I'm getting an array object each time so that later on I can push the data inside an another array. The loop works but the problem is that the results is not what I want because the .subscribe part is printing the first array and then for the rest it's giving me null arrays whereas it suppose to print 20x the same array. I currently started experimenting with angular and to my knowledge of other languages I don't

问题 I'm currently trying to make a function where it loops and by using .subscribe I'm getting an array object each time so that later on I can push the data inside an another array. The loop works but the problem is that the results is not what I want because the .subscribe part is printing the first array and then for the rest it's giving me null arrays whereas it suppose to print 20x the same array. I currently started experimenting with angular and to my knowledge of other languages I don't

问题 I have a code in Angular - PrimeNG and trying to make sorting by date (one of the columns): <p-table [columns]="cols" [value]="questions" selectionMode="single" [(selection)]="selectedQuestion" (onRowSelect)="onRowSelect($event)" [paginator]="true" [rows]="20"> <ng-template pTemplate="header" let-columns> <tr> <th *ngFor="let col of columns"> </th> </tr> </ng-template> <ng-template pTemplate="body" let-rowData let-columns="columns"> <tr [pSelectableRow]="rowData"> <td *ngFor="let col of

问题 I have a code in Angular - PrimeNG and trying to make sorting by date (one of the columns): <p-table [columns]="cols" [value]="questions" selectionMode="single" [(selection)]="selectedQuestion" (onRowSelect)="onRowSelect($event)" [paginator]="true" [rows]="20"> <ng-template pTemplate="header" let-columns> <tr> <th *ngFor="let col of columns"> </th> </tr> </ng-template> <ng-template pTemplate="body" let-rowData let-columns="columns"> <tr [pSelectableRow]="rowData"> <td *ngFor="let col of

问题 I'm having trouble with nested FormArrays in Angular reactive forms. One of my form arrays correctly returns as a FormArray and the other returns as FormControl. In the initialMaterials() function I have two console.logs. console.log(control) returns a FormControl item and console.log(this.objectServiceJobsArray) returns a FormArray. I need to be able to add materials to specific jobs in the array and change them in the form when necessary. this.objectServiceForm = this.formBuilder.group({

问题 We're successfully running a new Angular application created and hosted under VS2017 in the very default template (Core + Angular). We promise that we made no changes to it. Seriously. While it's running, we expected that a dist directory would be present in wwwroot (or at the very least somewhere within the solution structure). It is not. We've googled the issue trusting there was a gazillion programmers before us asking the very same thing. Turns out... not that many. And the blogs we've

问题 We're successfully running a new Angular application created and hosted under VS2017 in the very default template (Core + Angular). We promise that we made no changes to it. Seriously. While it's running, we expected that a dist directory would be present in wwwroot (or at the very least somewhere within the solution structure). It is not. We've googled the issue trusting there was a gazillion programmers before us asking the very same thing. Turns out... not that many. And the blogs we've

问题 We're successfully running a new Angular application created and hosted under VS2017 in the very default template (Core + Angular). We promise that we made no changes to it. Seriously. While it's running, we expected that a dist directory would be present in wwwroot (or at the very least somewhere within the solution structure). It is not. We've googled the issue trusting there was a gazillion programmers before us asking the very same thing. Turns out... not that many. And the blogs we've