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

问题

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

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

My code

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

i make this configuration in appmodule :

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

thanks for yours help

回答1:

I solved my problem

the problem was because I use in a component so you need to add in components.modules.ts imports: [IonicModule],

that's all

来源：https://stackoverflow.com/questions/48674657/cant-bind-to-ngmodel-since-it-isnt-a-known-property-of-ion-select