Any Idea?
On Monday, January 29, 2018 at 4:38:12 PM UTC+5, Adnan Salahuddin wrote:
>
> Hi Folks,
>
> I want to display error message after submit. Here is my code as below.
>
> @Component({
> selector: 'field-error-display',
> templateUrl: 'fieldErrorDisplay.component.html',
> styleUrls: ['fieldErrorDisplay.component.css']
> })
>
>
> export class FieldErrorDisplayComponent {
>
>
> @Input() errorMsg: string;
> @Input() displayError: boolean;
> }
>
>
> <div *ngIf="displayError">
> <div class="error-msg">
> <span class="fa fa-close" style="position:relative;top:4px"></span
> >{{ errorMsg }}
> </div>
> </div>
>
>
> isFieldValid(field: string) {
> return !this.form.get(field).valid && this.form.get(field).touched;
> }
>
> validateAllFormFields(formGroup: FormGroup): void {
> Object.keys(formGroup.controls).forEach(field => {
> const control = formGroup.get(field);
> if (control instanceof FormControl) {
> control.markAsTouched({ onlySelf: true });
> } else if (control instanceof FormGroup) {
> this.validateAllFormFields(control);
> }
> });
> }
>
> <field-error-display [displayError]="isFieldValid('model')" errorMsg="Please
> enter a valid type of vehicle!"></field-error-display>
> <p-dropdown [options]="modelVehicleDropDownList" [(ngModel)]=
> "selectModelVehicle" placeholder="Select Vehicle" formControlName="model"
> filter="filter"></p-dropdown>
>
>
>
> <https://lh3.googleusercontent.com/-3g6MIm6zxW4/Wm8G6JRfhEI/AAAAAAAAM0A/QAwfJ3HqxCoRboEZtLY49ZqgNAFpAcH8gCLcBGAs/s1600/Forum.PNG>
>
>
> In the above screenshot, I just clicked dropdown list without any select
> value then got display error message. The error message should not display
> because i did not select any value from dropdown list. Other input are fine
> such as text and radio button.
>
> I tried many times still no clue. :(
> Any idea?
>
> I am waiting for your response.
> Thanks in Advance
>
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