protected void Button2_Click(object sender, EventArgs e) { WebService1 webService = new WebService1(); if (CliendIdReservation.Text != "" && ArrivalDateReservation.Text != "" && ExitDateReservation.Text != "" && PeopleQuantityReservation.Text != "" && RoomIdReservation.Text != "") { int recepcionistId = (int)Session["valor1"]; if (webService.ReservationExists(Convert.ToInt32(CliendIdReservation.Text), recepcionistId, Convert.ToInt32(ArrivalDateReservation.Text), Convert.ToInt32(ExitDateReservation.Text), Convert.ToInt32(PeopleQuantityReservation.Text), Convert.ToInt32(RoomIdReservation.Text)).Equals(true)) { //dialog exite client } else { webService.AddReservation(Convert.ToInt32(CliendIdReservation.Text), recepcionistId, Convert.ToInt32(ArrivalDateReservation.Text), Convert.ToInt32(ExitDateReservation.Text), Convert.ToInt32(PeopleQuantityReservation.Text), Convert.ToInt32(RoomIdReservation.Text)); } } else { //dialog que esta vacio } }