login.component.html

<h2 class="page-header">Login</h2>
<form (submit) = "onLoginSubmit()">
  <div class="form-group">
    <label>Username</label>
    <input type="text" class="form-control" [(ngModel)] = "username" name="username">
  </div>

  <div class="form-group">
    <label>Password</label>
    <input type="password" class="form-control" [(ngModel)] = "password" name="password" >
  </div>

  <input type="submit" class="btn btn-primary" value="login">

</form>