public Admin_AddWarehouse()
{
InitializeComponent();
instance = this;
}
// -- Expanded func for Orders - END
public void admin_warehouse_add_btn_Click_1(object sender, RoutedEventArgs e)
{
Admin_AddWarehouse add_warehouse_form = new Admin_AddWarehouse();
add_warehouse_form.Show();
Admin_AddWarehouse.instance.warehouse_ID_get(ExecutScalarQuery("SELECT MAX(warehouse.warehouse_id) FROM sbs.warehouse"));
}