render: function() {

        <div>
             <label for="username">User:</label>
             <input type="text" ref='username' id='username' type='text'/>

             <label for="password">Password:</label>
             <input ref='password' id='password' type='password' errorMessage="Password is required"/>

             <a onClick={this.submit} className="btn btn-primary">Login</a>

       </div>
}


submit: function() {

var username = ReactDOM.findDOMNode(this.refs.username).value;
var password = ReactDOM.findDOMNode(this.refs.password).value;

this.serverRequest = $jQuery.post(url, { username: username, password: password }, function (data,success,type) {

  if(type.status == 200){
     console.log('Good');

      this.props.func(); //this is from parent which changes state of login to true
  }
  else{
    console.log('Wrong password/username');

        //Show error next/under an input
  }

}.bind(this));

}