private async Task AddDestination_task() { if (this.NewDestination.Name == null || this.NewDestination.Name == "") { Messenger.Default.Send <Dialog>(new Dialog() { Message = "Geen naam ingevuld", Ok = "Ok", Nok = null, ViewOk = null, ViewNok = null, ParamView = false, Cb = null }); return; } if (this.NewCity == null || this.NewCity.ID == null) { Messenger.Default.Send <Dialog>(new Dialog() { Message = "Geen stad ingevuld", Ok = "Ok", Nok = null, ViewOk = null, ViewNok = null, ParamView = false, Cb = null }); return; } Destination destination = new Destination() { Cities_ID = this.NewCity.ID, Location = this.NewDestination.Location, Name = this.NewDestination.Name }; Response ok = await DestinationRepository.PostDestination(destination); if (ok.Success == true) { Messenger.Default.Send <Dialog>(new Dialog() { Message = "Bestemming toegevoegd", Ok = "Ok", Nok = null, ViewOk = typeof(Bestemmingen), ViewNok = null, ParamView = false, Cb = null }); } }