private void Delete_Btn_Click(object sender, RoutedEventArgs e)
{
int Id = Convert.ToInt16(IdSO_Txt.Text);
var result = iSalesOrder.DeleteSalesOrder(Id);
if (result)
{
MessageBox.Show("Delete Success");
dataGridSalesOrder.ItemsSource = iSalesOrder.get();
}
else
{
MessageBox.Show("Delete Failed");
}
}