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angular readonly if value is not null

Bloody Beaver answered on July 18, 2022 Popularity 1/10 Helpfulness 9/10

answer angular readonly if value is not null

angular readonly if value is not null

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(a) add property at component.ts 

export class UserAddUpdateComponent implements OnInit {
    readOnly :boolean = this.data != null ? true:false;
(b) in component.html
   <input
     formControlName="userName"
     matTooltip="Enter User Name"
     matInput
     placeholder="User Name"
     required
     [readonly]="this.readOnly"
    />

Popularity 1/10 Helpfulness 9/10 Language javascript

Source: Grepper

Tags: angular javascript null readonly

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Contributed on Jul 18 2022

Bloody Beaver

0 Answers Avg Quality 2/10

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angular readonly if value is not null

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