我花了很长时间来理解一些应该很容易的事情。表单验证。我第一次使用反应形式。我正在使用表单生成器。我有一组嵌套的控件。一般来说,我假设您创建了一组带有验证的控件,然后在模板中检查这些控件。我能够提交表单,但在尝试创建验证消息时不断收到错误消息。
------ TEMPLATE -------
<div class="container">
<div class="row">
<div class="col-sm">
<!-- Begin card -->
<div class="card border">
<div class="card-header bg-light text-primary">
<h3>My Account</h3>
</div>
<div class="card-body border border-light">
<!-- CHANGE PASSWORD BUTTON -->
<div class="row">
<div class="col-sm">
<button class="btn btn-success" (click)="goToChangePassword()">Change Password</button>
</div>
</div>
<!-- Begin Form -->
<form *ngIf="user; else loading" [formGroup]="accountForm" (ngSubmit)="updateUser()">
<hr>
<!-- Phone -->
<fieldset formGroupName="phone">
<div class="form-row">
<div class="form-group col-sm">
<label>Home Phone</label>
<input type="number" class="form-control" formControlName="home">
<div *ngIf="isSubmitted && fControls.home.errors" class="invalid-feedback">
<div *ngIf="fControls.home.errors.minlength">10 characters min</div>
</div>
</div>
<div class="form-group col-sm">
<label>Mobile Phone</label>
<input type="number" class="form-control" formControlName="mobile">
<div *ngIf="isSubmitted && fControls.mobile.errors" class="invalid-feedback">
<div *ngIf="fControls.mobile.errors.minlength">10 characters min</div>
</div>
</div>
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