private void btnCancelEditSupplier_Click(object sender, RoutedEventArgs e)
{
var oswindow = new SuppliersPage();
oswindow.Show();
this.Close();
}
private void btnAddSupplier_Click(object sender, RoutedEventArgs e)
{
var sname = tbxSupplierName.Text;
var sdetails = tbxSupplierDetails.Text;
ViewModelLocator.SupplierViewModel.AddSupplier(sname, sdetails);
ViewModelLocator.SupplierViewModel.CreateSupplierList();
var oswindow = new SuppliersPage();
oswindow.Show();
this.Close();
}