private void button1_Click(object sender, EventArgs e)
        {
            try {
                int    id    = Convert.ToInt32(tbId.Text);
                string type  = comboBox1.SelectedItem.ToString();
                string naim  = tbNaim.Text;
                string naz   = tbNazvanie.Text;
                int    price = Convert.ToInt32(tbPrice.Text);

                mbd.controlquery("Insert into Furnitura values (" + id + ", '" + type + "', '" + naim + "', '" + naz + "', " + price + ");");
                MessageBox.Show("Добавлено", "Информация", MessageBoxButtons.OK, MessageBoxIcon.Information);
                DataTable dt = mbd.selectionquery("select * from Furnitura; ");
                dataGridView1.DataSource = dt;
            }
            catch
            {
                MessageBox.Show("Введите корректные данные", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        public void saveOrder(int rbNum, int index, string famil, string name, string otch, string numTel, string mail)
        {
            if (rbNum == 1)
            {
                DataForBD.IdCustomer = Convert.ToInt32(dt.Rows[index][0]);
            }
            else if (rbNum == 2)
            {
                DataForBD.IdCustomer = 1;
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    if (Convert.ToInt32(dt.Rows[i][0]) > DataForBD.IdCustomer)
                    {
                        DataForBD.IdCustomer = Convert.ToInt32(dt.Rows[i][0]);
                    }
                }
                DataForBD.IdCustomer++;

                DataForBD.Famil     = famil;
                DataForBD.Name      = name;
                DataForBD.Otchestvo = otch;
                DataForBD.NumTel    = numTel;;
                DataForBD.Mail      = mail;
            }
            if (rbNum == 2)
            {
                mbd.controlquery("insert into 'customer' (id_customer, Famil ,Name , otchestvo , num_tel, mail )" +
                                 "values (" + DataForBD.IdCustomer.ToString() + ", '" + DataForBD.Famil + "' ,'" + DataForBD.Name +
                                 "','" + DataForBD.Otchestvo + "', " + DataForBD.NumTel + " , '" + DataForBD.Mail + "' )");
            }
            mbd.controlquery("insert into StroyMaterialZakaz values ( " + DataForBD.IdZakaz + "," + DataForBD.IdOboi + ");");
            mbd.controlquery("insert into StroyMaterialZakaz values ( " + DataForBD.IdZakaz + "," + DataForBD.IdPlitka + ");");
            foreach (var n in DataForBD.ListZakazMebTeh)
            {
                mbd.controlquery("insert into FurnituraZakaz  values ( " + n.IdZakaz + "," + n.IdFurnit + "," + n.CoordX + "," + n.CoordY + ");");
            }
            mbd.controlquery("insert into Zakaz  values (" + DataForBD.IdZakaz.ToString() + ", " + DataForBD.Length.ToString()
                             + " ," + DataForBD.Width.ToString() + " ," + DataForBD.Height.ToString() + " ," + DataForBD.IdCustomer.ToString()
                             + " ," + DataForBD.Mounth.ToString() + " ," + DataForBD.Summa.ToString() + ")");
            Reports rep = new Reports();

            rep.blank(DataForBD.IdZakaz);
            mbd.controlquery("update zakaz set summa = " + Convert.ToString(DataForBD.Summa) + " where id_zakaz = " + Convert.ToString(DataForBD.IdZakaz));
        }