private bool SalvarDados()
        {
            try
            {
                var id    = Session["idSvc"].ToString();
                var vlr   = Session["valorSvc"] == null ? txtPrecoCusto.Value : Session["valorSvc"].ToString();
                var vlrTl = Session["valorTotal"] == null ? txtValorTotal.Value : Session["valorTotal"].ToString();
                var qtde  = Session["qtde"] == null ? txtQtd.Value : Session["qtde"].ToString();

                var svc = new ServicoPedido()
                {
                    Id            = int.Parse(id),
                    IdServico     = int.Parse(ddlServico.SelectedValue),
                    Data          = DateTime.Parse(txtData.Value),
                    Qtde          = int.Parse(qtde),
                    ValorUnitario = decimal.Parse(vlr),
                    ValorTotal    = decimal.Parse(vlrTl)
                };

                if (id.Equals("0"))
                {
                    return(ServicoPedido.Inserir(svc));
                }
                else
                {
                    return(ServicoPedido.Editar(svc));
                }
            }
            catch (Exception ex)
            {
                ltlMsn.Text = "<div class=\"alert alert-block alert-danger fade in\"><button data-dismiss=\"alert\" class=\"close\" type=\"button\">X" +
                              "</button><p><i class=\"fa fa-times-circle fa-lg\"></i>SalvarDados-ERRO:" + ex.Message + "</p></div>";
                return(false);
            }
        }