public ActionResult Index(ActionModel actionModel) { if (Request.HttpMethod == "POST" && actionModel != null) { List <action> listByTitle = new List <action>(actionService.actionByTitle(actionModel.titreAction)); ViewData["listAction"] = listByTitle; return(View()); } List <action> listAction = new List <action>(); listAction = (List <action>)actionService.FindAll(); ViewData["listAction"] = listAction; return(View()); }