Multiple select example using play2 master

Application.scala

package controllers

import play.api._
import play.api.data._
import play.api.data.Forms._
import play.api.mvc._

object Application extends Controller {

  val form = Form(
    "select" -> Forms.list(nonEmptyText)
  )

  def index = Action {
    Ok(views.html.index(form))
  }

  def update = Action { implicit request =>
    form.bindFromRequest.fold(
      formWithErrors => BadRequest(views.html.index(formWithErrors)),
      values => {
        play.Logger.debug( values.toString )
        Ok(views.html.index(form.fill(values)))
      }
    )
  }
}

index.scala.html

@( form: Form[_] )

@main("Welcome to Play 2.1") {

    Hello : 

    @helper.form( routes.Application.update ){
      @helper.select(form("select"), Seq( ("1", "First value"), ("2", "Seconds value"), ("3", "Third value")  ), 'multiple -> None )
      <input type="submit">
    }

}

routes

# Routes
# This file defines all application routes (Higher priority routes first)
# ~~~~

# Home page
GET     /                           controllers.Application.index
POST    /update                     controllers.Application.update

# Map static resources from the /public folder to the /assets URL path
GET     /assets/*file               controllers.Assets.at(path="/public", file)