public async Task <ActionResult> GetAddData(int participationId)
 {
     return(Json(new
     {
         CompetitionSport = await _participationService.GetCompetitionSport(participationId, Convert.ToInt32(User.Identity.Name)),
         TechnicalStaffRoles = await _technicalStaffRoleService.GetAllParticipationRoles()
     }, JsonRequestBehavior.AllowGet));
 }