private void Add_Btn_Click(object sender, RoutedEventArgs e)
{
salesOrder.Name = Name_Txt.Text;
var result = iSalesOrder.InsertSalesOrder(salesOrder);
if (result)
{
MessageBox.Show("Insert Success");
Name_Txt.Text = "";
}
else
{
MessageBox.Show("Failed");
Name_Txt.Text = "";
}
}