p.location-badge.
  exported from <a href='../forms'>angular2/forms</a>
  defined in <a href="https://github.com/angular/angular/tree/master/modules/angular2/src/forms/directives/control_group_directive.ts#L10-L73">angular2/src/forms/directives/control_group_directive.ts (line 10)</a>

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  Binds a control group to a DOM element.
  
  # Example
  
  In this example, we bind the control group to the form element, and we bind the login and
  password controls to the
  login and password elements.
  
  Here we use <a href='formDirectives-const.html'><code>formDirectives</code></a>, rather than importing each form directive individually, e.g.
  `ControlDirective`, `ControlGroupDirective`. This is just a shorthand for the same end result.
  
   ```
  @Component({selector: "login-comp"})
  @View({
       directives: [formDirectives],
       template: "<form [control-group]='loginForm'>" +
               "Login <input type='text' control='login'>" +
               "Password <input type='password' control='password'>" +
               "<button (click)="onLogin()">Login</button>" +
               "</form>"
       })
  class LoginComp {
   loginForm:ControlGroup;
  
   constructor() {
     this.loginForm = new ControlGroup({
       login: new Control(""),
       password: new Control("")
     });
   }
  
   onLogin() {
     // this.loginForm.value
   }
  }
  
   ```
  
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  h2 Members
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    h3 constructor

    
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        constructor(@Ancestor() _parent: ControlContainerDirective)
    
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    h3 formDirective

    
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    h3 onDestroy

    
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        onDestroy()
    
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    h3 onInit

    
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        onInit()
    
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    h3 path

    
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