首先,我在app.module.ts
中添加了ReactiveFormModuleimport { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { RouterModule, Routes} from '@angular/router';
import { ReactiveFormsModule } from '@angular/forms';
import { AppComponent } from './app.component';
import { NewproducComponent } from './comp/newproduc/newproduc.component';
import { ProductsComponent } from './comp/products/products.component';
import { SidebarComponent } from './comp/sidebar/sidebar.component';
import { MenubarComponent } from './comp/menubar/menubar.component';
const appRoutes: Routes = [
{ path : '' , component : ProductsComponent},
{ path : 'newproduct' , component : NewproducComponent}
];
@NgModule({
declarations: [
AppComponent,
NewproducComponent,
ProductsComponent,
SidebarComponent,
MenubarComponent
],
imports: [
BrowserModule,
ReactiveFormsModule,
RouterModule.forRoot(appRoutes)
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule {
}
app.component.html contanis
<app-menubar></app-menubar>
<app-sidebar></app-sidebar>
<div class="container">
<router-outlet></router-outlet>
</div>
newproduc.component.html包含
<div id="main-body">
<div class="main-body-header">
<span>New Product</span>
<button type="button">Close</button>
<button type="button">Save</button>
</div>
<div class="main-body-component">
<div class="container">
<form>
</form>
</div>
</div>
</div>
添加此表单标记时出现以下错误
每当我删除错误删除的表单标记时。我不确定我在哪里犯了这个错误。请帮我解决这个问题。我已经堆积了最近2天。
答案 0 :(得分:1)
执行:
<form [formGroup]="form">
由于您要导入ReactiveFormsModule
,因此<form>
代码必须包含formGroup
。