[英]Getting an element using ViewChild() in angular
我想獲取模態內部的表格元素,我在下面提供模態html代碼以及如何嘗試訪問數據表。 數據表是主要的
<ng-template #industryModal>
<div class="modal-body">
<h4>{{'Instance.IndustryModal.Header' | translate }}</h4>
<p class="m-t-20">{{'Instance.IndustryModal.Branch' | translate }}: {{instanceObj['personaldata.Branch']}}</p>
<p-table #dt [value]="industries" [paginator]=true [rows]="10" paginatorPosition="bottom"
[sortField]="sortField" [sortOrder]="sortOrder" styleClass="industry-data" [first]="first">
<ng-template pTemplate="caption">
<i class="fa fa-search" style="margin:4px 4px 0 0"></i>
<input type="text" pInputText size="50" placeholder="{{'Common.Search' | translate}}"
(keyup)="dt.filterGlobal($event.target.value)" style="width:auto">
</ng-template>
<ng-template pTemplate="body" let-industry>
<tr>
<td>
<div class="industry-list-item" (click)="selectIndustry(industry)"
[ngClass]="{'select': (selectedIndustry && industry.Name == selectedIndustry.Name)}">
<div class="vin-number">{{industry.Id}}</div>
<div class="industry-brand">{{industry.Name}}</div>
<div class="industry-warning warning-{{industry.Warning}}">
<i class="fa fa-exclamation-triangle warning-message" *ngIf="industry.Message != null"
pTooltip="{{industry.Message}}" tooltipPosition="top" tooltipZIndex="1100"></i>
<span class="">{{industry.Warning}}</span>
<i class="fa fa-check selected-icon"
*ngIf="(selectedIndustry && industry.Name == selectedIndustry.Name)"></i>
</div>
</div>
</td>
</tr>
</ng-template>
</p-table>
<div class="clearfix"> </div>
<div class="float-right">
<button type="button" class="btn secondary-btn m-r-16"
(click)="closeIndustryModal()">{{'Instance.Cancel' | translate}}</button>
<button type="button" class="btn btn-primary primary-btn"
(click)="saveIndustry()">{{'Instance.Save' | translate}}</button>
</div>
</div>
</ng-template>
我正在嘗試使用以下方式訪問數據表。
@ViewChild('dt') dataveiw: BsModalRef;
但是當我控制台dataveiw時,它顯示未定義。
當使用ViewChild您需要添加模板引用變量像這樣使用#dt
<ng-template #dt pTemplate="caption"></ng-template>
因為您在代碼中定義了引用名稱dt
@ViewChild('dt') dataveiw: BsModalRef;
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