private void Btnguardar_Click(object sender, EventArgs e) { List <RentalDetailsWS> rentalDetailsWs = new List <RentalDetailsWS>(); if (edtCodAlq.Text != "" && edtCedula.Text != "" && edtFechaalq.Text != "" && edtFechaDevo.Text != "" && listacopias.Count != 0) { foreach (var item in Detalleranta) { var x = new RentalDetailsWS(); x.CopiaId = item.CopyId; x.AlquilerId = 0; x.Id = 0; x.Portada = item.Portada; x.NumeroCopia = 0; x.TituloLibro = ""; rentalDetailsWs.Add(x); } var m = Service.AddRental(idCliente, edtCodAlq.Text, DateTime.Now.Date, Convert.ToDateTime(edtFechaDevo.Text), DateTime.Now.Date, rentalDetailsWs.ToList()); if (m.band) { Toast.MakeText(rootView.Context, m.message, ToastLength.Long).Show(); } else { Toast.MakeText(rootView.Context, m.message, ToastLength.Long).Show(); } } else { Toast.MakeText(rootView.Context, "Llene los campos importantes", ToastLength.Long).Show(); } }