private void _btn_modify_Click(object sender, RoutedEventArgs e)
{
string item_id = (sender as System.Windows.Controls.Button).Tag.ToString();
NewOrModifyItemProduce message = new NewOrModifyItemProduce(this, item_id);
message.ShowDialog();
}
private void _new_Click(object sender, RoutedEventArgs e)
{
NewOrModifyItemProduce message = new NewOrModifyItemProduce(this);
message.ShowDialog();
}