private void AddLabourCmd(object model)
{
ErrorMessage = "";
var labour = model as Labour;
if (labour.Payment < 1 || labour.PaymentDate == default(DateTime) || SelectedContractor.ContractorId == 0 || labour.WorkType.WorkTypeId == 0)
{
ErrorMessage = "*Please check the entry. Some field's Values are missing.";
return;
}
labour.SiteId = SiteId;
labour.CreateDate = DateTime.Now;
labour.Contractor = Contractors.Single(x => x.ContractorId == SelectedContractor.ContractorId);
_repositoryManager.AddLabourPayment(labour);
LabourToAdd = new Labour();
LabourToAdd.Contractor = Contractors.First();
LabourToAdd.WorkType = WorkTypes.First();
SelectedContractor = ContractorList.First();
Labours = new ObservableCollection <Labour>(_repositoryManager.GetLabourPayments(SiteId));
OnPropertyChanged(nameof(LabourToAdd));
OnPropertyChanged(nameof(SelectedContractor));
}