[英]Access parent form validation in child component Angular 5 control value accessor
I referred this link : http://tylerscode.com/2017/03/splitting-angular-forms-controlvalueaccessor/#respond 我提到了这个链接: http : //tylerscode.com/2017/03/splitting-angular-forms-controlvalueaccessor/#respond
I want to validate all fields in child component with control value accessor and template driven forms. 我想使用控制值访问器和模板驱动的表单来验证子组件中的所有字段。
(This is link of issues on Stackblitz: https://stackblitz.com/edit/angular-qzioet ) (这是Stackblitz上问题的链接: https ://stackblitz.com/edit/angular-qzioet)
ControlContainer ControlContainer
A base class for directives that contain multiple registered instances of NgControl.
包含多个NgControl注册实例的指令的基类。 Only used by the forms module
仅由表单模块使用
Use viewProviders inside your child form 在子窗体中使用viewProviders
viewProviders: [ { provide: ControlContainer, useExisting: NgForm }]
Example: https://stackblitz.com/edit/angular-cncupd 示例: https : //stackblitz.com/edit/angular-cncupd
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