Try like this : component.html <form [formGroup]="countryForm"> <select id="country" formControlName="country"> <option *ngFor="let c of ... ... <看更多>
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Try like this : component.html <form [formGroup]="countryForm"> <select id="country" formControlName="country"> <option *ngFor="let c of ... ... <看更多>
See Here. Validation state. By default when you use reactive forms validators or template driven forms validators css class ng-invalid will ... ... <看更多>
This video is part of the Angular Forms In Depth Course -https://angular-university.io/course/angular-forms ... ... <看更多>
Bootstrap widgets for Angular: autocomplete, accordion, alert, carousel, dropdown, pagination, popover, progressbar, rating, tabset, timepicker, tooltip, ... ... <看更多>