private void button2_Click(object sender, EventArgs e)
        {
            int y = listBox1.Items.Count;


            String[] split;



            for (int i = 0; i < y; i++)
            {
                listBox1.SetSelected(i, true);
                split = listBox1.SelectedItem.ToString().Split(' ');

                int        id = Int32.Parse(split[0]);
                Plan_Pracy u  = new Plan_Pracy(1, id);
                db.Plan_Pracy.Add(u);


                var s = db.Zamówienie.Where(j => j.id == id).FirstOrDefault();
                if (s != null)
                {
                    s.Status = "Oczekujacy";
                }

                db.SaveChanges();
                listBox1.Items.RemoveAt(listBox1.SelectedIndex);
            }
        }
        private void stworzButt_Click(object sender, EventArgs e)
        {
            String[] split;

            int x = listBox.Items.Count;

            if (radioButton1.Checked)
            {
                for (int i = 0; i < x; i++)
                {
                    listBox.SetSelected(i, true);
                    split = listBox.SelectedItem.ToString().Split(' ');

                    int        id = Int32.Parse(split[0]);
                    Plan_Pracy u  = new Plan_Pracy(1, id);
                    db.Plan_Pracy.Add(u);


                    var s = db.Zamówienie.Where(j => j.id == id).FirstOrDefault();
                    if (s != null)
                    {
                        s.Status = "W Planie";
                    }

                    db.SaveChanges();
                    listBox.Items.RemoveAt(listBox.SelectedIndex);
                }
            }
            else if (radioButton2.Checked)
            {
                for (int i = 0; i < x; i++)
                {
                    listBox.SetSelected(i, true);
                    split = listBox.SelectedItem.ToString().Split(' ');

                    int        id = Int32.Parse(split[0]);
                    Plan_Pracy u  = new Plan_Pracy(2, id);
                    db.Plan_Pracy.Add(u);


                    var s = db.Zamówienie.Where(j => j.id == id).FirstOrDefault();
                    if (s != null)
                    {
                        s.Status = "W Planie";
                    }

                    db.SaveChanges();
                    listBox.Items.RemoveAt(listBox.SelectedIndex);
                }
            }
        }