Why all checkbox of column getting checked when checking single checkbox

发布于 2020-03-28 23:13:56

I am working on table. one column of table has checkboxes. When I am clicking one checkbox all checkbox of that column getting checked.

This is my code

<td>                   
<label class="container"> 
  <input type="checkbox" [(ngModel)]="theCheckbox"  data-md-icheck (change)="toggleVisibility($event)"/>
      Checkbox is <span *ngIf="marked">checked</span><span *ngIf="!marked">unchecked</span>
  </label>
</td>

toggleVisibility function is empty

toggleVisibility(data)
{
}

How can I solve this issue?

Questioner

Arvind Chourasiya

Viewed

Chinese

Original

<table > <thead> <tr> <th *ngFor="let head of headElements" scope="col">{{head}} </th> </tr> </thead> <tbody> <tr *ngFor="let el of elements;let index = index;"> <th scope="row">{{el.id}}</th> <td>{{el.first}}</td> <td>{{el.last}}</td> <td> <input type="checkbox" [(ngModel)]="el.checked" > <span *ngIf="el.checked" >checked</span> </td> </tr> </tbody> </table>

Why all checkbox of column getting checked when checking single checkbox

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