//Добавить данные private void bt_Insert_Requestt_Click(object sender, RoutedEventArgs e) { procedures.Request_Insert(Convert.ToInt32(tb_Name_of_Contract.SelectedValue.ToString()), Convert.ToInt32(cb_Supplier_Info.SelectedValue.ToString()), Convert.ToInt32(cb_Name_of_Technic.SelectedValue.ToString())); dgFill(QR); Request ps2 = new Request(); ps2.Show(); Hide(); }