public void Post([FromBody] Participants participants)
{
ParticipantsDbEntities entities = new ParticipantsDbEntities();
entities.Participants.Add(participants);
entities.SaveChanges();
}
public void Delete(string initials)
{
ParticipantsDbEntities entities = new ParticipantsDbEntities();
//Participants participant = new Participants();
var p = entities.Participants.Where(x => x.initials == initials).FirstOrDefault();
entities.Participants.Remove(p);
entities.SaveChanges();
}