无法绑定到“ngModel"，因为它不是“ion-select"的已知属性 [英] Can't bind to 'ngModel' since it isn't a known property of 'ion-select'

问题描述

大家好，当我在 prod 版本中编译我的应用程序时出现错误

Hello everyone when i'm compile my app in prod release i got an error

无法绑定到ngModel"，因为它不是ion-select"的已知属性.

Can't bind to 'ngModel' since it isn't a known property of 'ion-select'.

我的代码

<ion-select #sel1  [(ngModel)]="Selectedcat" (ngModelChange)="onChange()" >

我在 appmodule 中进行此配置:

i make this configuration in appmodule :

imports: [
 BrowserModule,
 HttpModule,
 Ionic2RatingModule ,
 FormsModule,
 IonicModule.forRoot(MyApp),
 IonicStorageModule.forRoot(),
 IonicImageLoader.forRoot()
 ]

感谢您的帮助

推荐答案

你需要把这个添加到 components modules

You need to add this to components modules

import { IonicModule } from '@ionic/angular';
import { FormsModule } from '@angular/forms';

@NgModule({
 imports: [
  IonicModule,
  FormsModule
 ];
})

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