angular - How to use service class in angular2 -

i new in both angular2 , .net core followed this tutorial , learned pretty solution work angular (and .netcore). have problem!

when create service this:

import { injectable } '@angular/core' import { http } '@angular/http' import 'rxjs/rx' import { accountsummary } './account-summary.type' import { accountdetail } './account-detail.type' import { accounttype } './account-type.enum'  @injectable()  export class accountservice {     constructor(private http : http)     {      } getaccountsummeries() {     debugger     return this.http.get('api/bank/getaccountsummeries')         .map(response => response.json() accountsummary[])         .topromise(); } } 

and import in app.module.share.ts file:

   .    .  import { accountservice } './components/shared/account.service' //here<<   export const sharedconfig: ngmodule = {     bootstrap: [appcomponent],      //namespace off components:     declarations: [         appcomponent,         navmenucomponent,         countercomponent,         fetchdatacomponent,         homecomponent,         accountlistcomponent,         accountsummarycomponent,         examplecomponent,         formataccountnumberpipe,          headercomponent     ],     imports: [         routermodule.forroot([          //paths...         ])     ],     providers: [accountservice] //here<<<<<<<<<<<<<<<<<<<<<  }; 

iv got error when ran application:

exception: call node module failed error: error: uncaught (in promise): error: no provider accountservice! error: no provider accountservice! @ error (native)

i use service this:

import { component } '@angular/core'; import { accountsummary } '../../shared/account-summary.type' import { accounttype } '../../shared/account-type.enum' import { accountservice } '../../shared/account.service'  @component({     selector: 'account-list',     templateurl: './account-list.component.html' }) export class accountlistcomponent {      cashaccounts: accountsummary[];     creditaccounts: accountsummary[];     constructor(private accountservice: accountservice) {      }      ngoninit() {         this.accountservice.getaccountsummeries().then(accounts => {          this.cashaccounts = accounts })     } } 

according exception, didn't add in module. add accountservice in app.module.ts file

providers: [accountservice]