public bool AdicionaBoleto(boleto boletop)
        {
            try
            {
                conservadoraEntities model = Conexao.getInstance();
                IQueryable<boleto> i = from p in model.boletos select p;
                IEnumerable<boleto> max = i.OrderBy(p => p.idboletos);

                if (max.Count() > 0)
                    boletop.idboletos = max.Last().idboletos == null ? 1 : max.Last().idboletos + 1;
                else
                    boletop.idboletos = 1;

                model.AddToboletos(boletop);

                model.SaveChanges();
                return true;
            }
            catch (Exception e)
            {
                return false;
            }
        }
 public bool SalvaBoleto(boleto boletop)
 {
     try
     {
         conservadoraEntities model = Conexao.getInstance();
         IQueryable<boleto> query = from p in model.boletos where p.idboletos == boletop.idboletos select p;
         boleto boleto2 = query.First();
         boleto2.idboletos = boletop.idboletos;
         boleto2.sitiuacao = boletop.sitiuacao;
         boleto2.data = boletop.data;
         boleto2.caminhoArquivo = boletop.caminhoArquivo;
         boleto2.idmoradores = boletop.idmoradores;
         model.SaveChanges();
         return true;
     }
     catch (Exception e)
     {
         return false;
     }
 }
 /// <summary>
 /// Create a new boleto object.
 /// </summary>
 /// <param name="idboletos">Initial value of the idboletos property.</param>
 /// <param name="idmoradores">Initial value of the idmoradores property.</param>
 public static boleto Createboleto(global::System.Int32 idboletos, global::System.Int32 idmoradores)
 {
     boleto boleto = new boleto();
     boleto.idboletos = idboletos;
     boleto.idmoradores = idmoradores;
     return boleto;
 }
 public bool SalvaBoleto(boleto boletop, string acesso)
 {
     if (acesso != Conexao.SenhaAcesso) throw new Exception();
     return controle.SalvaBoleto(boletop);
 }
 /// <summary>
 /// Deprecated Method for adding a new object to the boletos EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddToboletos(boleto boleto)
 {
     base.AddObject("boletos", boleto);
 }