//mudando de bool para refeicao
        public Refeicao createRefeicao(Refeicao refeicao)
        {
            using (NutricaoContext mde = new NutricaoContext())
            {
                try
                {

                    Debug.Write("Entrou no create");

                    refeicao.dataDeCriacao = DateTime.Today;

                    mde.Refeicao.Add(refeicao);
                    mde.SaveChanges();
                    return refeicao;
                }
                catch (Exception ex)
                {
                    Debug.Write(ex.ToString());
                    return null;
                }
            };
        }
        public bool editRefeicao(Refeicao refeicao)
        {
            using (NutricaoContext mde = new NutricaoContext())
            {
                var result = mde.Refeicao.SingleOrDefault(r => r.Id == refeicao.Id);

                if (result != null)
                {
                    //mde.Refeicao.Add(refeicao);
                    mde.Entry(refeicao).State = EntityState.Modified;
                    mde.SaveChanges();
                    return true;
                }
                else
                {
                    return false;
                }

            };
        }
 public bool deleteRefeicao(Refeicao refeicao)
 {
     using (NutricaoContext mde = new NutricaoContext())
     {
         var result = mde.Refeicao.Where(rf => rf.Id == refeicao.Id).SingleOrDefault();
         if (result != null)
         {
             mde.Refeicao.Remove(result);
             mde.SaveChanges();
             return true;
         }
         else
         {
             return false;
         }
     };
 }