private void button1_Click(object sender, EventArgs e)
 {
     Connect_to_sql conn = new Connect_to_sql();
     Connect_to_sql.AgroNewRaschet new_ras = new Connect_to_sql.AgroNewRaschet();
     string connect_string = conn.Con_str();
     new_ras.date = dateTimePicker1.Value;
     new_ras.name_polya = comboBox1.Text;
     new_ras.sloj0_5 = checkBox2.Checked;
     new_ras.marshrut = checkBox1.Checked;
     int kod_polya = conn.AddNewRaschet(new_ras, connect_string);
     string query = "SELECT kod FROM t_Glavnaya WHERE kod_Polya="+kod_polya+" AND Date='"+new_ras.date.Date+"'";
     new_ras.Glav_ID = conn.ExecQueryWithResult(connect_string, query);
     Form1 f_glavn = (Form1)this.Owner;
     f_glavn.StartRaschet(true);
     f_glavn.SetCurPole(comboBox1.Text, dateTimePicker1.Value.ToShortDateString());
     f_glavn.ras_param = new_ras;
     f_glavn.SetSloj0_5(new_ras.sloj0_5);
     f_glavn.comboBox1.Items.Clear();
     f_glavn.comboBox1.Items.Add(1);
     Close();
 }